Rank the best picture winners from the 20/30's

1928 Wings (not seen)
1929 The Broadway Melody 4/10
1930 All Quiet on the Western Front 6/10
1931 Cimarron 4/10
1932 Grand Hotel 6/10
1933 Cavalcade 3/10
1934 It Happened One Night 5/10
1935 Mutiny on the Bounty 6/10
1936 The Great Ziegfeld 5/10
1937 The life of Emile Zola 6/10
1938 You Can't Take it with You (not seen)
1939 Gone with the Wind 6/10