Or a pickup from 2015 - 2021 which was 0% growth.

It's tricky to pick an end-of-decade year also - recessions tend to happen +/- 2 years of the end of each decade in the USA, or at least have done since records began in the 19th century. For example 2010 was recovery over 2008/2009's bust. It's not like comparing March to Ma4ch for a crude seasonal adjustment.