72% (1991)

77% (2008)

83% (2007)

72% (1985)

66% (1998)

58% (1998)

78% (2015)

0% (1993)

66% (1993)

56% (2019)

76% (2016)

75% (1976)

48% (1975)

57% (2006)

69% (2010)

72% (2003)

50% (1965)

71% (1960)

87% (2017)

58% (1992)