Table:
text: List of National Basketball Association retired jersey numbers
List
List
Number_ Name_ Team Position_ Years_with_franchise Note_
2 Malik Sealy Minnesota Timberwolves F 1998–2000 Died in a car crash while playing for the team. His jersey was retired posthumously.
7 Pete Maravich New Orleans Pelicans G — Never played for the franchise. He played for the New Orleans Jazz (now the Utah Jazz) from 1974–1979.
13 Bobby Phills New Orleans Pelicans G 1997–2000 Died in a car crash while playing for the team; with the team when it was in Charlotte. His jersey was retired posthumously.
10 Walt Frazier New York Knicks G 1967–1977 Also served as a broadcaster.
12 Dick Barnett New York Knicks G 1965–1974 
15 Earl Monroe New York Knicks G 1972–1980 

text: List of National Basketball Association retired jersey numbers
List
List
Number_ Name_ Team Position_ Years_with_franchise Note_
15 Dick McGuire New York Knicks G 1949–1957 Also served as head coach (1965–1968) and scouting director.
18 Phil Jackson New York Knicks C 1967–1980 Also served as President (2014–present).
19 Willis Reed New York Knicks C 1964–1974 Also served as head coach (1977–1978).
22 Dave DeBusschere New York Knicks F 1969–1974 
24 Bill Bradley New York Knicks F 1967–1977 
33 Patrick Ewing New York Knicks C 1985–2000 
613 Red Holzman New York Knicks — 1967–1977; 1978–1982 As head coach; the number represents his 613 victories coaching the Knicks.
6 The fans Orlando Magic — — 
2 Moses Malone Philadelphia 76ers C 1982–1986; 1993–1994 Not officially retired, but taken out of circulation.

Question: From the National Basketball Association's list of jersey numbers, how many numbers did the New York Knicks retire?