World's Top Trainers by Group/Stakes winners

According to last nights ITV broadcast from Ascot Aiden O'Brien trained his 900th group/grade winner when Broome won the Hardwicke Stakes.       
      
Wikipedia reckons Bart Cummings achieved more than 776 stakes victories.       
      
      
Trainer Name   Firsts   Group / Graded / Stakes wins
      
Aiden O'Brien   Firsts ?   900
Bart Cummings   Firsts ?   776 or more
      
      
Selected USA trainers stats from equibase.com as at 19 June 2022      
Trainer Name   Firsts   Graded stakes wins since 1976
      
Todd A. Pletcher   5,334   744
D. Wayne Lukas   4,869   629
Bob Baffert   3,214   601
William I. Mott   5,218   517
Robert J. Frankel   3,654   494
Steve. Asmussen   9,793   300
Jerry Hollendorfer   7,726   208
Dale Baird   9,445   0
      
Note the US introduced graded classification in 1971.      
      
I haven't been able to find any stakes or group/graded totals on other trainers      

Cheers