55% (2013)

76% (2009)

79% (1996)

80% (2009)

83% (1989)

71% (2013)

74% (1992)

72% (2013)

70% (2005)

67% (1968)

70% (2013)

82% (2010)

75% (2017)

60% (2010)

62% (2016)

61% (1998)

58% (2014)

42% (2010)

78% (2017)

43% (1998)