If you'd like to take a look at the revenue made with your games via GameDistribution, login with your account here: https://reporting.headerlift.com/
Depending on how you're earning money with the games, click Advertising or Ingame Payments below Publisher on the left side of the page.
In the case of ad revenue, click on Advertising, and then specify your search via the Time Period, Grouping, and Filter. Press Apply once you're ready. The information you have requested will load below these search options.