61% (1995)

70% (1983)

63% (1987)

67% (1986)

79% (1983)

64% (1983)

41% (2013)

61% (2010)

61% (2007)

68% (2009)

65% (1984)

56% (2016)

76% (1995)

69% (1987)

62% (1982)

53% (2015)

51% (2003)

49% (1997)

77% (1990)

59% (2002)