How cultured am I?

I caught the tail end of the AFI's 100 greatest movies of all time. I wondered -- how many have I seen? (I think this is last year's list.)

Answer: 21 -- more than I expected

1. Citizen Kane (1941)
2. Casablanca (1942)
6. The Wizard of Oz (1939)
9. Schindler's List (1993)
10. Singin' in the Rain (1952)
11. It's a Wonderful Life (1946)
15. Star Wars (1977)
18. Psycho (1960)
25. E.T.—The Extra-Terrestrial (1982)
33. High Noon (1952)
34. To Kill a Mockingbird (1962)
38. Double Indemnity (1944)
42. Rear Window (1954)
45. A Streetcar Named Desire (1951)
49. Snow White and the Seven Dwarfs (1937)
54. All Quiet on the Western Front (1930)
55. The Sound of Music (1965)
61. Vertigo (1958)
68. An American in Paris (1951)
69. Shane (1953)
71. Forrest Gump (1994)