67% (2003)

76% (1986)

68% (1986)

54% (1994)

67% (1983)

68% (1993)

58% (2003)

74% (1990)

77% (1986)

68% (1988)

61% (2012)

57% (1991)

72% (1991)

57% (1996)

53% (1999)

76% (1991)

66% (1986)

59% (2015)

65% (1989)

58% (2009)