80% (2000)

40% (1956)

66% (1947)

50% (1945)

60% (1952)

70% (1976)

60% (1957)

0% (1953)

30% (1945)

67% (1931)

39% (1985)

0% (1961)

40% (1944)

61% (1965)

64% (1941)

42% (1958)

49% (1977)

62% (1934)

60% (1961)

60% (1967)