68% (1975)

66% (2013)

62% (1976)

56% (1988)

61% (1990)

72% (1986)

77% (1961)

74% (1963)

63% (1963)

0% (1933)

0% (1975)

70% (1964)

0% (1962)

65% (1980)

80% (1958)

55% (2001)

66% (1986)

40% (2006)

10% (1980)

53% (1964)