69% (2012)

66% (1999)

68% (2008)

72% (1981)

51% (2006)

58% (2012)

51% (2014)

73% (2001)

73% (2013)

70% (2004)

78% (2018)

54% (2004)

71% (2005)

65% (2007)

69% (2011)

66% (2020)

68% (2015)

74% (2015)

59% (1997)

77% (2013)