73% (1998)

69% (2012)

68% (2007)

72% (2016)

69% (2020)

75% (2003)

76% (2006)

78% (2012)

75% (2009)

62% (2009)

67% (2016)

58% (2016)

71% (2014)

69% (2007)

61% (2017)

63% (2004)

58% (2020)

64% (2002)

74% (2016)

70% (1997)