77% (1964)

80% (1960)

74% (1968)

80% (1992)

71% (1952)

63% (1972)

70% (2003)

0% (1966)

71% (1999)

57% (1988)

68% (1955)

68% (1962)

49% (1979)

0% (1968)

63% (1999)

67% (2004)

50% (2010)

70% (1954)

83% (1977)

0% (1953)