85% (2018)

68% (2009)

77% (1990)

70% (2021)

69% (2005)

81% (2008)

76% (1992)

82% (2013)

78% (2003)

85% (2000)

77% (1989)

75% (1999)

70% (1990)

78% (2001)

65% (2001)

85% (1992)

70% (2015)

76% (2000)

70% (1991)

60% (1963)