69% (2011)

70% (1991)

64% (1992)

69% (2010)

77% (2005)

100% (1979)

67% (2007)

65% (2018)

71% (2000)

77% (2016)

79% (2021)

59% (2003)

52% (1999)

77% (2007)

69% (2006)

80% (2011)

67% (1981)

76% (1981)

80% (1986)

0% (1974)