76% (2015)

74% (2007)

69% (2001)

77% (2005)

69% (1984)

67% (2006)

56% (1979)

76% (2007)

43% (2000)

60% (2005)

73% (2018)

69% (2011)

53% (2003)

74% (2000)

80% (2013)

58% (2001)

62% (2016)

75% (2001)

67% (1989)

58% (2014)