72% (2011)

57% (2004)

58% (2001)

68% (2020)

57% (2016)

62% (2011)

68% (1974)

60% (1990)

65% (1997)

62% (1984)

69% (1992)

48% (2004)

83% (1931)

67% (2005)

75% (1964)

74% (2013)

70% (2004)

60% (1996)

61% (2002)

75% (2011)