71% (1998)

75% (2012)

79% (2017)

80% (1987)

70% (1979)

71% (2012)

77% (2010)

54% (2006)

75% (1994)

85% (1967)

0% (2002)

65% (2009)

62% (2007)

0% (2001)

70% (2010)

77% (2015)

92% (2017)

10% (2016)

78% (2013)

70% (2021)