This is somewhat misleading - the definition of M1 was changed in May 2020, so numbers before and after are not directly comparable. See
https://fredblog.stlouisfed.org/2021/05/savings-are-now-more.... It’s best to link directly to the page which is interactive and describes the actual components of M1 instead of just the image
https://fred.stlouisfed.org/series/M1SL