& here is the graph.
The last period of relatively low annual CH4 gains was from mid-2016 to early 2020. Although recent annual gains are also relatively low, they are well above that earlier period. In other words, as time goes by, even the low annual changes are increasing - since mid-2005.
It seems to me that the ever-increasing annual change polynomial trend line still has legs. Though if we are lucky and the fossil fuel industry actually gets to work on methane fugitive emissions, Stephan will be right when he writes "It seems to me that the extraordinary increase of CH4, observed in the last years, has finished now".