74% (1997)

72% (1996)

66% (1994)

63% (1985)

64% (1994)

67% (2014)

77% (2022)

66% (1995)

57% (1989)

79% (2015)

60% (2016)

75% (2009)

70% (1992)

62% (1988)

65% (1984)

63% (1987)

70% (2015)

66% (2006)

65% (1987)

76% (2011)