The following table contains the contributors of the data actually used in the global analysis for the Bulletin.

CO₂

Station Name	Country/Territory	GAW ID	Contributor
Alert	Canada	ALT	NOAA/ESRL
Amsterdam Island	France	AMS	LSCE
Arembepe	Brazil	ABP	NOAA/ESRL
Ascension Island	United Kingdom of Great Britain and Northern Ireland	ASC	NOAA/ESRL
Assekrem	Algeria	ASK	NOAA/ESRL
Baltic Sea	Poland	BAL	NOAA/ESRL
Baring Head	New Zealand	BHD	NIWA
Baring Head	New Zealand	BHD	NOAA/ESRL
Barrow	United States of America	BRW	NOAA/ESRL
Begur	Spain	BGU	LSCE
Bering Island	Russian Federation	BER	MGO
Brotjacklriegel	Germany	BRT	UBA
Candle Lake	Canada	CDL	EC
Cape Ferguson	Australia	CFA	CSIRO
Cape Grim	Australia	CGO	BoM CSIRO
Cape Grim	Australia	CGO	NOAA/ESRL
Cape Kumukahi	United States of America	KUM	NOAA/ESRL
Cape Meares	United States of America	CMO	NOAA/ESRL
Cape Point	South Africa	CPT	SAWS
Cape Rama	India	CRI	CSIRO
Casey Station	Australia	CYA	CSIRO
Chibougamau	Canada	CHM	EC
Christmas Island	Kiribati	CHR	NOAA/ESRL
Cold Bay	United States of America	CBA	NOAA/ESRL
Crozet	France	CRZ	NOAA/ESRL
Dwejra Point	Malta	GOZ	NOAA/ESRL
East Trout Lake	Canada	ETL	EC
Easter Island	Chile	EIC	NOAA/ESRL
Egbert	Canada	EGB	EC
Estevan Point	Canada	ESP	CSIRO
Estevan Point	Canada	ESP	EC
Fraserdale	Canada	FSD	EC
Gobabeb	Namibia	NMB	NOAA/ESRL
Gosan	Republic of Korea	GSN	NIMR
Grifton	United States of America	ITN	NOAA/ESRL
Guam	United States of America	GMI	NOAA/ESRL
Halley Bay	United Kingdom of Great Britain and Northern Ireland	HBA	NOAA/ESRL
Heimaey	Iceland	ICE	NOAA/ESRL
Hohenpeissenberg	Germany	HPB	NOAA/ESRL
Hok Tsui	Hong Kong, China	HKG	HKO
Izaña (Tenerife)	Spain	IZO	AEMET
Jubany	Argentina	JBN	CNR-ICES DNA-IAA
Jungfraujoch	Switzerland	JFJ	KUP
K-puszta	Hungary	KPS	HMS
Key Biscayne	United States of America	KEY	NOAA/ESRL
Kotelny Island	Russian Federation	KOT	MGO
Kyzylcha	Uzbekistan	KYZ	MGO
Lac La Biche (Alberta)	Canada	LLB	EC
Lampedusa	Italy	LMP	ENEA
Lampedusa	Italy	LMP	NOAA/ESRL
Lulin	China	LLN	NOAA/ESRL
Mace Head	Ireland	MHD	LSCE
Mace Head	Ireland	MHD	NOAA/ESRL
Macquarie Island	Australia	MQA	CSIRO
Mahe Island	Seychelles	SEY	NOAA/ESRL
Mauna Loa	United States of America	MLO	NOAA/ESRL
Mawson	Australia	MAA	CSIRO
Mex High Altitude Global Climate Observation Center, Mexico	Mexico	MEX	NOAA/ESRL
Minamitorishima	Japan	MNM	JMA
Monte Cimone	Italy	CMN	IAFMS
Mould Bay	Canada	MBC	NOAA/ESRL
Mt. Dodaira	Japan	DDR	Saitama
Mt. Kenya	Kenya	MKN	NOAA/ESRL
Mt. Waliguan	China	WLG	CMA
Mt. Waliguan	China	WLG	CMA NOAA/ESRL
Niwot Ridge (T-van)	United States of America	NWR	NOAA/ESRL
Ocean Station "M"	Norway	STM	NOAA/ESRL
Ocean Station Charlie	Russian Federation	STC	MGO
Olympic Peninsula	United States of America	OPW	NOAA/ESRL
Pacific Ocean (00N)	N/A	POC	NOAA/ESRL
Pacific Ocean (05N)	N/A	POC	NOAA/ESRL
Pacific Ocean (05S)	N/A	POC	NOAA/ESRL
Pacific Ocean (10N)	N/A	POC	NOAA/ESRL
Pacific Ocean (10S)	N/A	POC	NOAA/ESRL
Pacific Ocean (15N)	N/A	POC	NOAA/ESRL
Pacific Ocean (15S)	N/A	POC	NOAA/ESRL
Pacific Ocean (20N)	N/A	POC	NOAA/ESRL
Pacific Ocean (20S)	N/A	POC	NOAA/ESRL
Pacific Ocean (25N)	N/A	POC	NOAA/ESRL
Pacific Ocean (25S)	N/A	POC	NOAA/ESRL
Pacific Ocean (30N)	N/A	POC	NOAA/ESRL
Pacific Ocean (30S)	N/A	POC	NOAA/ESRL
Pacific Ocean (35S)	N/A	POC	NOAA/ESRL
Pallas-Sammaltunturi	Finland	PAL	FMI
Pallas-Sammaltunturi	Finland	PAL	NOAA/ESRL
Palmer Station	United States of America	PSA	NOAA/ESRL
Park Falls	United States of America	LEF	NOAA/ESRL
Pic du Midi	France	PDM	LSCE
Plateau Assy	Kazakhstan	KZM	NOAA/ESRL
Plateau Rosa	Italy	PRS	RSE
Point Arena	United States of America	PTA	NOAA/ESRL
Puy de Dome	France	PUY	LSCE
Ragged Point	Barbados	RPB	NOAA/ESRL
Ryori	Japan	RYO	JMA
Sable Island	Canada	WSA	EC
Sand Island	United States of America	MID	NOAA/ESRL
Sary Taukum	Kazakhstan	KZD	NOAA/ESRL
Schauinsland	Germany	SSL	UBA
Sede Boker	Israel	WIS	NOAA/ESRL
Shemya Island	United States of America	SHM	NOAA/ESRL
Shetland	United Kingdom of Great Britain and Northern Ireland	SIS	CSIRO
Sonnblick	Austria	SNB	UBA
South China Sea (03N)	N/A	SCS	NOAA/ESRL
South China Sea (06N)	N/A	SCS	NOAA/ESRL
South China Sea (09N)	N/A	SCS	NOAA/ESRL
South China Sea (12N)	N/A	SCS	NOAA/ESRL
South China Sea (15N)	N/A	SCS	NOAA/ESRL
South China Sea (18N)	N/A	SCS	NOAA/ESRL
South China Sea (21N)	N/A	SCS	NOAA/ESRL
South Pole	United States of America	SPO	NOAA/ESRL
Southern Great Plains	United States of America	SGP	NOAA/ESRL
St. Croix	United States of America	AVI	NOAA/ESRL
St. David's Head	United Kingdom of Great Britain and Northern Ireland	BME	NOAA/ESRL
Summit	Denmark	SUM	NOAA/ESRL
Syowa Station	Japan	SYO	NOAA/ESRL
Tae-ahn Peninsula	Republic of Korea	TAP	NOAA/ESRL
Terceira Island	Portugal	AZR	NOAA/ESRL
Teriberka	Russian Federation	TER	MGO
Tierra del Fuego	Argentina	TDF	NOAA/ESRL
Trinidad Head	United States of America	THD	NOAA/ESRL
Tudor Hill	United Kingdom of Great Britain and Northern Ireland	BMW	NOAA/ESRL
Tutuila (Cape Matatula)	United States of America	SMO	NOAA/ESRL
Ulaan Uul	Mongolia	UUM	NOAA/ESRL
Wendover	United States of America	UTA	NOAA/ESRL
Yonagunijima	Japan	YON	JMA
Zeppelinfjellet (Ny-Alesund)	Norway	ZEP	ITM
Zeppelinfjellet (Ny-Alesund)	Norway	ZEP	NOAA/ESRL
Zugspitze / Schneefernerhaus	Germany	ZSF	UBA
Zugspitze	Germany	ZUG	UBA

CH₄

Station Name	Country/Territory	GAW ID	Contributor
Alert	Canada	ALT	EC
Alert	Canada	ALT	NOAA/ESRL
Amsterdam Island	France	AMS	LSCE
Amsterdam Island	France	AMS	NOAA/ESRL
Arembepe	Brazil	ABP	NOAA/ESRL
Ascension Island	United Kingdom of Great Britain and Northern Ireland	ASC	NOAA/ESRL
Assekrem	Algeria	ASK	NOAA/ESRL
Baltic Sea	Poland	BAL	NOAA/ESRL
Barrow	United States of America	BRW	NOAA/ESRL
Begur	Spain	BGU	LSCE
Candle Lake	Canada	CDL	EC
Cape Ferguson	Australia	CFA	CSIRO
Cape Grim	Australia	CGO	NOAA/ESRL
Cape Kumukahi	United States of America	KUM	NOAA/ESRL
Cape Meares	United States of America	CMO	NOAA/ESRL
Cape Ochi-ishi	Japan	COI	NIES
Cape Point	South Africa	CPT	SAWS
Cape Rama	India	CRI	CSIRO
Casey Station	Australia	CYA	CSIRO
Chibougamau	Canada	CHM	EC
Christmas Island	Kiribati	CHR	NOAA/ESRL
Cold Bay	United States of America	CBA	NOAA/ESRL
Crozet	France	CRZ	NOAA/ESRL
Deuselbach	Germany	DEU	UBA
Dwejra Point	Malta	GOZ	NOAA/ESRL
East Trout Lake	Canada	ETL	EC
Easter Island	Chile	EIC	NOAA/ESRL
Egbert	Canada	EGB	EC
Estevan Point	Canada	ESP	CSIRO
Estevan Point	Canada	ESP	EC
Fraserdale	Canada	FSD	EC
Gobabeb	Namibia	NMB	NOAA/ESRL
Gosan	Republic of Korea	GSN	NIER
Grifton	United States of America	ITN	NOAA/ESRL
Guam	United States of America	GMI	NOAA/ESRL
Halley Bay	United Kingdom of Great Britain and Northern Ireland	HBA	NOAA/ESRL
Hateruma	Japan	HAT	NIES
Hegyhatsal	Hungary	HUN	NOAA/ESRL
Heimaey	Iceland	ICE	NOAA/ESRL
Hohenpeissenberg	Germany	HPB	NOAA/ESRL
Izaña (Tenerife)	Spain	IZO	AEMET
Jungfraujoch	Switzerland	JFJ	Empa
Key Biscayne	United States of America	KEY	NOAA/ESRL
Lac La Biche (Alberta)	Canada	LLB	EC
Lac La Biche	Canada	LLB	NOAA/ESRL
Lampedusa	Italy	LMP	ENEA
Lampedusa	Italy	LMP	NOAA/ESRL
Lulin	China	LLN	NOAA/ESRL
Mace Head	Ireland	MHD	NOAA/ESRL
Macquarie Island	Australia	MQA	CSIRO
Mahe Island	Seychelles	SEY	NOAA/ESRL
Mauna Loa	United States of America	MLO	NOAA/ESRL
Mawson	Australia	MAA	CSIRO
McMurdo Station	United States of America	MCM	NOAA/ESRL
Mex High Altitude Global Climate Observation Center, Mexico	Mexico	MEX	NOAA/ESRL
Minamitorishima	Japan	MNM	JMA
Monte Cimone	Italy	CMN	ISAC
Moody	United States of America	WKT	NOAA/ESRL
Mould Bay	Canada	MBC	NOAA/ESRL
Mt. Kenya	Kenya	MKN	NOAA/ESRL
Mt. Waliguan	China	WLG	CMA NOAA/ESRL
Neuglobsow	Germany	NGL	UBA
Niwot Ridge (T-van)	United States of America	NWR	NOAA/ESRL
Ocean Station "M"	Norway	STM	NOAA/ESRL
Ochsenkopf	Germany	OXK	NOAA/ESRL
Olympic Peninsula	United States of America	OPW	NOAA/ESRL
Pacific Ocean (00N)	N/A	POC	NOAA/ESRL
Pacific Ocean (05N)	N/A	POC	NOAA/ESRL
Pacific Ocean (05S)	N/A	POC	NOAA/ESRL
Pacific Ocean (10N)	N/A	POC	NOAA/ESRL
Pacific Ocean (10S)	N/A	POC	NOAA/ESRL
Pacific Ocean (15N)	N/A	POC	NOAA/ESRL
Pacific Ocean (15S)	N/A	POC	NOAA/ESRL
Pacific Ocean (20N)	N/A	POC	NOAA/ESRL
Pacific Ocean (20S)	N/A	POC	NOAA/ESRL
Pacific Ocean (25N)	N/A	POC	NOAA/ESRL
Pacific Ocean (25S)	N/A	POC	NOAA/ESRL
Pacific Ocean (30N)	N/A	POC	NOAA/ESRL
Pacific Ocean (30S)	N/A	POC	NOAA/ESRL
Pacific Ocean (35S)	N/A	POC	NOAA/ESRL
Pallas-Sammaltunturi	Finland	PAL	NOAA/ESRL
Palmer Station	United States of America	PSA	NOAA/ESRL
Park Falls	United States of America	LEF	NOAA/ESRL
Plateau Assy	Kazakhstan	KZM	NOAA/ESRL
Plateau Rosa	Italy	PRS	RSE
Point Arena	United States of America	PTA	NOAA/ESRL
Puy de Dome	France	PUY	LSCE
Ragged Point	Barbados	RPB	NOAA/ESRL
Ryori	Japan	RYO	JMA
Sable Island	Canada	WSA	EC
Sand Island	United States of America	MID	NOAA/ESRL
Sary Taukum	Kazakhstan	KZD	NOAA/ESRL
Schauinsland	Germany	SSL	UBA
Sede Boker	Israel	WIS	NOAA/ESRL
Shemya Island	United States of America	SHM	NOAA/ESRL
Shetland	United Kingdom of Great Britain and Northern Ireland	SIS	CSIRO
South China Sea (03N)	N/A	SCS	NOAA/ESRL
South China Sea (06N)	N/A	SCS	NOAA/ESRL
South China Sea (09N)	N/A	SCS	NOAA/ESRL
South China Sea (12N)	N/A	SCS	NOAA/ESRL
South China Sea (15N)	N/A	SCS	NOAA/ESRL
South China Sea (18N)	N/A	SCS	NOAA/ESRL
South China Sea (21N)	N/A	SCS	NOAA/ESRL
South Pole	United States of America	SPO	NOAA/ESRL
Southern Great Plains	United States of America	SGP	NOAA/ESRL
St. Croix	United States of America	AVI	NOAA/ESRL
St. David's Head	United Kingdom of Great Britain and Northern Ireland	BME	NOAA/ESRL
Summit	Denmark	SUM	NOAA/ESRL
Syowa Station	Japan	SYO	NOAA/ESRL
Tae-ahn Peninsula	Republic of Korea	TAP	NOAA/ESRL
Terceira Island	Portugal	AZR	NOAA/ESRL
Teriberka	Russian Federation	TER	MGO
Tierra del Fuego	Argentina	TDF	NOAA/ESRL
Trinidad Head	United States of America	THD	AGAGE
Trinidad Head	United States of America	THD	NOAA/ESRL
Tsukuba	Japan	TKB	MRI
Tudor Hill	United Kingdom of Great Britain and Northern Ireland	BMW	NOAA/ESRL
Tutuila (Cape Matatula)	United States of America	SMO	NOAA/ESRL
Ulaan Uul	Mongolia	UUM	NOAA/ESRL
Wendover	United States of America	UTA	NOAA/ESRL
Yonagunijima	Japan	YON	JMA
Zeppelinfjellet (Ny-Alesund)	Norway	ZEP	NOAA/ESRL
Zingst	Germany	ZGT	UBA
Zugspitze / Schneefernerhaus	Germany	ZSF	UBA
Zugspitze	Germany	ZUG	UBA

N₂O

Station Name	Country/Territory	GAW ID	Contributor
Adrigole	Ireland	ADR	AGAGE
Alert	Canada	ALT	CSIRO
Alert	Canada	ALT	NOAA/ESRL
Barrow	United States of America	BRW	NOAA/ESRL
Cape Ferguson	Australia	CFA	CSIRO
Cape Grim	Australia	CGO	AGAGE
Cape Grim	Australia	CGO	CSIRO
Cape Kumukahi	United States of America	KUM	NOAA/ESRL
Cape Meares	United States of America	CMO	AGAGE
Cape Point	South Africa	CPT	SAWS
Cape Rama	India	CRI	CSIRO
Casey Station	Australia	CYA	CSIRO
Estevan Point	Canada	ESP	CSIRO
Izaña (Tenerife)	Spain	IZO	AEMET
Jungfraujoch	Switzerland	JFJ	Empa
Mace Head	Ireland	MHD	AGAGE
Mace Head	Ireland	MHD	NOAA/ESRL
Macquarie Island	Australia	MQA	CSIRO
Mauna Loa	United States of America	MLO	CSIRO
Mauna Loa	United States of America	MLO	NOAA/ESRL
Mawson	Australia	MAA	CSIRO
Monte Cimone	Italy	CMN	ISAC
Niwot Ridge (C-1)	United States of America	NWR	NOAA/ESRL
Palmer Station	United States of America	PSA	NOAA/ESRL
Ragged Point	Barbados	RPB	AGAGE
Ryori	Japan	RYO	JMA
Shetland	United Kingdom of Great Britain and Northern Ireland	SIS	CSIRO
South Pole	United States of America	SPO	NOAA/ESRL
Summit	Denmark	SUM	NOAA/ESRL
Trinidad Head	United States of America	THD	AGAGE
Trinidad Head	United States of America	THD	NOAA/ESRL
Tutuila (Cape Matatula)	United States of America	SMO	AGAGE
Tutuila (Cape Matatula)	United States of America	SMO	NOAA/ESRL
Zugspitze / Schneefernerhaus	Germany	ZSF	UBA

SF₆

Station Name	Country/Territory	GAW ID	Contributor
Alert	Canada	ALT	NOAA/ESRL
Barrow	United States of America	BRW	NOAA/ESRL
Cape Grim	Australia	CGO	AGAGE
Cape Grim	Australia	CGO	NOAA/ESRL
Cape Kumukahi	United States of America	KUM	NOAA/ESRL
Izaña (Tenerife)	Spain	IZO	AEMET
Jungfraujoch	Switzerland	JFJ	Empa
Lampedusa	Italy	LMP	ENEA
Mace Head	Ireland	MHD	AGAGE
Mace Head	Ireland	MHD	NOAA/ESRL
Mauna Loa	United States of America	MLO	NOAA/ESRL
Monte Cimone	Italy	CMN	ISAC
Niwot Ridge (C-1)	United States of America	NWR	NOAA/ESRL
Palmer Station	United States of America	PSA	NOAA/ESRL
Ragged Point	Barbados	RPB	AGAGE
Schauinsland	Germany	SSL	UBA
South Pole	United States of America	SPO	NOAA/ESRL
Summit	Denmark	SUM	NOAA/ESRL
Trinidad Head	United States of America	THD	AGAGE
Trinidad Head	United States of America	THD	NOAA/ESRL
Tutuila (Cape Matatula)	United States of America	SMO	AGAGE
Tutuila (Cape Matatula)	United States of America	SMO	NOAA/ESRL
Zeppelinfjellet (Ny-Alesund)	Norway	ZEP	AGAGE
Zugspitze / Schneefernerhaus	Germany	ZSF	UBA

Halocarbons

Station Name	Country/Territory	GAW ID	Contributor
Adrigole	Ireland	ADR	AGAGE
Alert	Canada	ALT	NOAA/ESRL
Anmyeon-do	Republic of Korea	AMY	KMA
Barrow	United States of America	BRW	NOAA/ESRL
Cape Grim	Australia	CGO	AGAGE
Cape Grim	Australia	CGO	NOAA/ESRL
Cape Kumukahi	United States of America	KUM	NOAA/ESRL
Cape Meares	United States of America	CMO	AGAGE
Gosan	Republic of Korea	GSN	NIMR
Jungfraujoch	Switzerland	JFJ	AGAGE
Lampedusa	Italy	LMP	ENEA
Mace Head	Ireland	MHD	AGAGE
Mace Head	Ireland	MHD	NOAA/ESRL
Mauna Loa	United States of America	MLO	NOAA/ESRL
Niwot Ridge (C-1)	United States of America	NWR	NOAA/ESRL
Palmer Station	United States of America	PSA	NOAA/ESRL
Ragged Point	Barbados	RPB	AGAGE
Ryori	Japan	RYO	JMA
South Pole	United States of America	SPO	NOAA/ESRL
Summit	Denmark	SUM	NOAA/ESRL
Trinidad Head	United States of America	THD	AGAGE
Trinidad Head	United States of America	THD	NOAA/ESRL
Tutuila (Cape Matatula)	United States of America	SMO	AGAGE
Tutuila (Cape Matatula)	United States of America	SMO	NOAA/ESRL
Zeppelinfjellet (Ny-Alesund)	Norway	ZEP	AGAGE
Zeppelinfjellet (Ny-Alesund)	Norway	ZEP	NILU