70% (2000)

71% (1995)

68% (1998)

66% (1998)

71% (1994)

78% (1994)

69% (1999)

70% (1999)

63% (1995)

64% (1994)

77% (1997)

72% (1998)

77% (2003)

64% (1998)

69% (1993)

63% (1997)

0% (1998)

67% (1994)

53% (1998)

68% (1998)