82% (1989)

74% (1983)

72% (2006)

71% (1974)

78% (2004)

90% (2017)

70% (1996)

74% (1988)

79% (1987)

78% (2015)

84% (1983)

77% (2006)

83% (2004)

75% (1997)

83% (2005)

84% (2004)

75% (1996)

70% (2013)

74% (1999)

75% (2008)