Several companies released their financial reports and they all reported some significant improvements in their camera/lens sales (same trend is reported also by CIPA):
Sony's Q1 report: increase in sales of digital cameras due to an improvement in the product mix, increase in unit sales and the recovery from the impact of COVID-19.
Panasonic's Q1 report is also out, but as usual you cannot get any camera specific data.
The latest Ricoh financial report can be found here (cameras sales up significantly).
Canon: already reported here (R5 and R6 sales remain strong, has increased more than expected).
Nikon: increase in revenue in all segments, significant recovery in sales unit of digital cameras, strong mirrorless camera sales (revenues nearly doubled).
Tamron also had an amazing quarter: sales increased by more than 30%, sales in Chinese almost doubled (click for larger view):