56% (2002)

66% (1995)

47% (1999)

70% (1983)

70% (2004)

55% (1995)

100% (1995)

30% (1993)

0% (1995)

20% (1993)

20% (1993)

85% (1993)

0% (1993)

0% (1997)

0% (2000)

80% (2004)

64% (1999)

53% (1970)

0% (1999)

0% (1970)