50% (2014)

69% (1980)

65% (1994)

10% (1992)

52% (1977)

65% (2000)

74% (2010)

70% (1994)

72% (1986)

58% (2009)

52% (1991)

60% (2017)

62% (1990)

68% (2002)

64% (1986)

60% (2011)

59% (2012)

55% (1975)

42% (2003)

56% (1967)