The peak of $8.3b may have been Q2 of '21, but the decline has been very gradual.
Consumption jumped from $6.1b to $8.2 b in 1 year- Q1 '20 to Q1 '21. It has dropped just $.7b in 1 year from Q1 '21 to Q1 '22.
So a $2.1b increase and a $.7b decrease in the same time period.