Well a database is different, and I don't think a summary should hurt everything. From Jon Cooke on the TIWM FB group, the total is now at 1,492(!) cartoons!
Here is the breakdown:
1 Fleischer - Miscellaneous (Rudolph)
1 Walter Lantz
2 Fleischer Color Classics
2 Fleischer Superman
41 Fleischer Betty Boop
56 Columbia/Screen Gems
113 DFE (62 Pink Panther, 34 Inspector, 17 Rattfink)
211 Popeye (103 Famous, 105 Fleischer, 3 KFS)
280 MGM
785 WB