72% (1972)

71% (1994)

60% (2014)

79% (2003)

65% (1969)

83% (1978)

68% (1986)

77% (2002)

0% (1986)

58% (1989)

69% (1990)

78% (2006)

0% (1961)

10% (1979)

100% (1985)

82% (2005)

70% (2024)

80% (1975)

85% (2008)

81% (2011)