See the data version history.
The data of old versions are available only if the versions are included in Yearly fixed datasets.

 CFC-12 _ RPB4036 _ surface - insitu _ AGAGE _ ale

Updated Date	Version † met : with meteorological data	Details
2024-12-27	0004-4036-1302-01-01-2001 -2025-01-01-0004	The latest version
2020-08-25	0004-4036-1302-01-01-2001 -2020-08-04-0923	Included in Yearly Fixed Dataset 2024
2019-09-09	0004-4036-1302-01-01-2001 -2019-08-30-1911	Included in Yearly Fixed Dataset 2019
2019-06-25	0004-4036-1302-01-01-2001 -2019-05-07-1651
2018-06-13	0004-4036-1302-01-01-2001 -2018-02-13-0936	Included in Yearly Fixed Dataset 2018