61% (2024)

70% (2015)

71% (2009)

71% (1986)

70% (2013)

66% (2003)

77% (1988)

67% (1991)

78% (1998)

75% (2006)

79% (1996)

74% (1995)

76% (2004)

57% (2015)

55% (2003)

69% (2007)

59% (2006)

62% (2010)

70% (2017)

59% (2007)