https://usefathom.com/blog/import-data-from-google-analytics https://usefathom.com/blog/import-data-from-google-analytics has an importer for your old data even

https://usefathom.com/blog/import-data-from-google-analytics https://usefathom.com/blog/import-data-from-google-analytics has an importer for your old data even. It's not free.