58% (1985)

71% (2010)

70% (2005)

59% (2016)

80% (2019)

79% (2011)

77% (1992)

76% (2007)

73% (2011)

64% (2009)

72% (1996)

60% (1983)

62% (1984)

68% (1990)

62% (2012)

73% (2009)

50% (2000)

0% (1984)

65% (2010)

42% (2006)