70% (1995)

60% (1999)

71% (2004)

55% (1995)

0% (1995)

0% (2001)

100% (1995)

40% (2004)

0% (2000)

53% (2002)

30% (1993)

85% (1993)

64% (1999)

0% (1999)

53% (2004)

40% (1993)

75% (1983)

40% (1993)

0% (1993)

70% (1997)