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

 CH₄ _ JGS2038 _ surface - insitu _ KMA _ data1

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2023-02-21	0039-2038-1002-01-01-9999 -2022-10-05-0054*