35% (1995)

28% (2000)

54% (1993)

22% (1997)

10% (1995)

58% (1997)

36% (1994)

13% (1996)

80% (2000)

14% (1997)

30% (2005)

32% (1994)

30% (1992)

30% (1997)

50% (1996)

0% (1992)

50% (2001)

30% (1999)

30% (1998)

10% (1996)