Hello,
Thanks for contacting us and sorry for any inconvenience that might have been caused due to that.
I started a manual data fetch from WP Dashboard > Rank Math > General Settings > Analytics > Update Data Manually and the stats have started to appear:

Please wait for the fetch to complete and let us know if you need any other assistance.
Hello,
Since we did not hear back from you for 15 days, we are assuming that you found the solution. We are closing this support ticket.
If you still need assistance or any other help, please feel free to open a new support ticket, and we will be more than happy to assist.
Thank you.