59% (2016)

70% (2005)

76% (2007)

71% (2010)

80% (2011)

80% (2019)

72% (2011)

68% (1990)

77% (1992)

73% (2009)

65% (2009)

72% (1996)

60% (1983)

62% (1984)

50% (2000)

64% (2016)

68% (2019)

69% (1993)

71% (1986)

0% (1984)