After 3 shows in Japan Bon Jovi have played a total of 29 different songs at an average of roughly 22 songs per night (medley's like Keep the Faith/Dancin in the Street count as 2). Below is the list of songs sung from each album and the number of times played in brackets:

Bounce
Bounce (3)
Everyday (3)
The Distance (3)
Misunderstood (3)
Hook Me Up (3)
Undivided (2)
Joey (1)
Right Side of Wrong (1)

Crush
Captain Crash (3)
Just Older (3)
It's My Life (3)
I Got The Girl (1)

These Days
Nil

Crossroads
Someday I'll Be Saturday Night (2)

Keep The Faith
Keep The Faith (2)
I'll Sleep When I'm Dead (2)

New Jersey
Born To Be My Baby (3)
Bad Medicine (3)
I'll Be There For You (3)
Blood On Blood (1)

Slippery When Wet
Bad Name (3)
Wanted (3)
Prayer (3)
Raise Your Hands (2)
Wild In The Streets (2)

7800*
Nil

Bon Jovi
Runaway (1)

Non Bon Jovi
Twist and Shout (3)
Shout (2)
Dancin' In The Street (1)
Do You Love Me (1)

Total = 66

I hope this info supports your argument either for or against!

PS. All info was gathered from various websites and posts regarding setlists. If I've missed anything please let me know.

Cheers :P

Hell "I love my polls and setlist stats" man