80% (2005)

85% (1992)

77% (1982)

71% (2000)

81% (2007)

68% (2015)

67% (2009)

80% (2018)

78% (2014)

80% (2002)

67% (1997)

84% (2002)

84% (2004)

85% (2007)

82% (2012)

81% (2000)

63% (1994)

0% (2013)

76% (1981)

70% (2016)