That is fascinating.
Is there also a question?
Hint: read the links How to post forum questions[/url] and Need an answer? No, you need a question.
ps: just to shove you in the right direction: group by week (use the DATEPART function to find the week) and count the orders.
Need an answer? No, you need a question
My blog at https://sqlkover.com.
MCSE Business Intelligence - Microsoft Data Platform MVP