75% (1995)

77% (1995)

73% (1988)

63% (2003)

72% (1990)

74% (1996)

66% (1991)

70% (1999)

64% (2009)

57% (1999)

55% (1989)

66% (2001)

70% (1987)

68% (1999)

0% (1991)

82% (1994)

60% (1999)

73% (1986)

53% (1995)

78% (1985)