65% (2002)

80% (2003)

50% (1961)

54% (1969)

57% (2009)

70% (2007)

50% (1973)

30% (1974)

60% (1980)

73% (1981)

70% (1997)

67% (2009)

69% (2017)

70% (1997)

57% (1997)

77% (2005)

64% (2016)

0% (1979)

74% (2001)

68% (2015)