71% (2000)

53% (1998)

72% (1998)

71% (1994)

70% (1995)

77% (1994)

70% (1999)

63% (1994)

63% (1995)

65% (1997)

67% (1998)

69% (1999)

0% (2000)

10% (1997)

64% (1998)

77% (1997)

68% (1998)

77% (2003)

68% (1997)

100% (1996)