The amount of guys flipping actually shot way up in the 1990's.

1963
Genovese soldier Joseph Valachi

1986
Genovese soldier Vincent Cafaro

1989
Colombo acting captain Michael Franzese

1991
Gambino underboss Salvatore Gravano
Lucchese acting boss Alphonse D'Arco
Lucchese soldier Joseph D'Arco

1992
Lucchese captain Peter Chiodo

1993
Lucchese captain Anthony Accetturo
Lucchese soldier Thomas Ricciardi
Lucchese soldier Frank Suppa
Colombo consigliere Carmine Sessa
Colombo captain Greg Scarpa (informant since 1950's)
Colombo captain Greg Scarpa Jr.
Colombo captain John Pate
Colombo acting captain Salvatore Miciotta
Colombo soldier Alan Quatrache

1994
Lucchese underboss Anthony Casso

1995
Lucchese soldier Frank Gioia Sr
Lucchese soldier Frank Gioia Jr

1998
Gambino soldier Dominick Borghese

2001
Gambino soldier Craig DePalma

2002
Bonanno captain Frank Coppa

2003
Lucchese acting boss Joseph DeFede
Colombo captain Joseph Campanella
Colombo soldier Rocco Cagno
Bonanno captain James Tartaglione
Bonanno underboss Salvatore Vitale
Bonanno acting underboss Richard Cantarella
Bonanno soldier Paul Cantarella
Bonanno soldier Joey D'Amico
Gambino captain Michael DiLeonardo
Genovese soldier George Barone

2004
Bonanno captain Frank Lino
Bonanno boss Joe Massino
Bonanno soldier Genoroso Barbieri
Gambino soldier Frank Fappiano
Bonanno soldier Michael Maggio
Lucchese soldier Vincent Salanardi

2005
Gambino soldier Primo Cassarino
Gambino soldier Joseph D'Angelo

2006
Bonanno acting captain Dominick Cicale

2007
Bonanno acting captain Nicholas Pisciotti
Genovese captain Ray Ruggiero

2009
Gambino soldier Robert Mormando
Colombo soldier Joseph Compatiello

2010
Lucchese soldier Steven LaPella
Colombo soldier Dino Calabro
Colombo soldier Sebastiano Seracino
Colombo soldier Michael Souza
Colombo soldier Frank Sparaco
Genovese soldier Anthony Arillotta
Genovese captain Felix Tranghese

2011
Colombo captain Ray Maragni
Colombo acting captain Paul Bevacqua
Colombo acting captain Anthony Russo
Bonanno soldier Joseph Bonanno (?)