78% (2003)

73% (2020)

69% (2021)

58% (2008)

64% (2007)

69% (2005)

77% (2008)

64% (2014)

74% (2002)

68% (2005)

73% (1999)

73% (2003)

73% (2002)

76% (1996)

72% (2015)

62% (2015)

72% (1992)

71% (2017)

67% (2006)

67% (2019)