Besides changing the Forward Table from the old database vendor to the new database vendor, if you use the Proxy Rewrite Method, you probably need to also do some records maintenance. Use Create Lists to generate a file of records that will need to be changed. After this list is created, use Global Update to update the records. Below is an example for changing access from EBSCO to Lexis-Nexis in the Global Update preview window just before the changes are made.

If your statistics do not have the options that you thought they might, recheck your Filter set-up. Go though each line when you are checking them.