36% (1994)

30% (1994)

0% (1995)

50% (1994)

0% (1995)

60% (1996)

20% (1994)

40% (1994)

0% (1993)

85% (1995)

0% (1993)

39% (1996)

66% (1995)

70% (1994)

0% (1994)

60% (1995)

0% (1994)

72% (1998)

10% (1994)

0% (1996)