Yearly fixed datasets used for WMO GHG Bulletins and WDCGG Data Summaries are available in tgz format. See the data version history.
Unique DOIs are issued for individual yearly fixed archived datasets by WDCGG. The same file name is used for different years.

Updated Date	Version	Gas Species	DOI	WMO GHG Bulletin Volume	WDCGG Data Summary Volume	Included data period	Details
2024-11-06 10:12:41	the latest version	C18O2					click
2023-11-30 13:49:02	2023-11-30_13-49-02	C18O2	10.50849/WDCGG_C18O2_ALL_2024	No. 20	No. 49 (planned)	1989/02/05 - 2014/12/31	click
2023-07-20 09:28:11	2023-07-20_09-28-11	C18O2	10.50849/WDCGG_C18O2_ALL_2023	No. 19	No. 48	1989/02/05 - 2014/12/31	click
2022-07-12 07:35:07	2022-07-12_07-35-07	C18O2	10.50849/WDCGG_C18O2_ALL_2022	No. 18	No. 47	1989/02/05 - 2014/12/31	click
2021-04-30 16:59:40	2021-04-30_16-59-40	C18O2	10.50849/WDCGG_C18O2_ALL_2021	No. 17	No. 46	1989/02/05 - 2014/12/31	click
2020-09-14 20:42:37	2020-09-14_20-42-37	C18O2	10.50849/WDCGG_C18O2_ALL_2020	No. 16	No. 45	1989/02/05 - 2014/12/31	click
2019-09-19 11:36:27	2019-09-19_11-36-27	C18O2	10.50849/WDCGG_C18O2_ALL_2019	No. 15	No. 44	1989/02/05 - 2014/12/31	click
2018-10-18 08:28:24	2018-10-18_08-28-24	C18O2	10.50849/WDCGG_C18O2_ALL_2018	No. 14	No. 43	1989/02/05 - 2014/12/31	click

These datasets are only available from 2018 onward.