All Broadway:
Chicago--around 70 times between 1999-2003 or so, all on Broadway, once on tour and once in London. I have seen it since 2003, but not obsessively. The $20 front row rush tix were awwweeeeeesome. I lived at the Shubert.
Cabaret--40 times, and, um, 37 of those times were from August 2003-January 2004 when it closed. Yeah. (in my defense, I volunteer ushered for the vast majority of those performances)
The Full Monty--maybe 15 times?
42nd Street--around 8 times, and then I eventually started working on the show and saw it roughly 48 billion times.
Into The Woods revival--10 times
aaaand Follies. I saw the Kennedy Center production 6 times, and at present have six tickets for the Broadway production; I suspect I will also rush it a few times, too.
Lots of other shows I've seen 2-3 times, too many to count, either due to a casting change, bringing parents or friends, etc.
"I chose and my world was shaken--so what? The choice may have been mistaken, the choosing was not. You have to move on"