72% (2000)

71% (1994)

63% (1995)

70% (1999)

71% (1995)

78% (1994)

53% (1998)

77% (1997)

64% (1994)

67% (1998)

77% (2003)

64% (1998)

72% (1998)

0% (1995)

68% (1995)

53% (1997)

68% (1994)

68% (1995)

10% (1997)

60% (1999)