67% (2012)

76% (2018)

70% (2010)

71% (2018)

62% (2019)

68% (2007)

67% (2003)

63% (2001)

74% (2005)

67% (2012)

55% (2006)

61% (2000)

72% (2018)

65% (2002)

61% (1999)

58% (2007)

57% (2002)

80% (2015)

73% (2006)

55% (1985)