30% (2000)

74% (1991)

65% (1986)

75% (1997)

69% (2004)

60% (1986)

68% (1994)

59% (1993)

69% (1992)

65% (1986)

68% (1992)

67% (1990)

61% (2016)

64% (2003)

20% (1991)

59% (2002)

38% (1993)

56% (2016)

61% (1991)

83% (1973)