76% (2006)

76% (2003)

73% (1998)

69% (2012)

75% (2009)

68% (2007)

70% (2020)

72% (2016)

71% (2014)

67% (2016)

76% (1999)

78% (2012)

69% (2007)

59% (2016)

63% (2009)

74% (2016)

61% (2017)

60% (2009)

52% (2015)

62% (2017)