77% (2005)

68% (2011)

70% (1991)

77% (2007)

67% (2007)

80% (2018)

52% (1999)

64% (1992)

71% (2000)

27% (1984)

76% (1981)

80% (2015)

78% (2016)

61% (1971)

20% (1998)

69% (2010)

90% (1990)

0% (2000)

82% (2006)

68% (1983)