45% (1983)

50% (2007)

57% (2016)

50% (1972)

62% (1965)

74% (1968)

53% (1973)

56% (1989)

0% (1964)

57% (1988)

57% (1964)

51% (1990)

40% (1961)

78% (2014)

64% (1968)

78% (1976)

61% (1988)

0% (1976)

63% (1974)

30% (2005)