M365-AH Table Size Query

let bytes_ = 500;
union withsource=MDTables*
| where Timestamp > startofday(ago(1d))
| summarize count() by bin(Timestamp, 1m), MDTables
| extend EPS = count_ /60
|summarize avg(EPS), estimatedGBytes = (avg(EPS) * bytes_ ) / (1024*1024*1024) by MDTables
| sort by toint(estimatedGBytes) desc