73% (2008)

60% (1976)

0% (1962)

67% (2011)

67% (1977)

55% (1941)

0% (1981)

63% (1996)

50% (1974)

45% (1975)

69% (1988)

77% (2010)

0% (1981)

57% (1985)

64% (1980)

0% (1979)

80% (1982)

0% (1978)

62% (1990)

70% (1976)