33% (1997)

0% (1995)

38% (2003)

44% (1992)

49% (1994)

0% (1993)

40% (1999)

20% (1999)

43% (2005)

22% (1967)

60% (1996)

47% (1987)

45% (1992)

24% (1995)

60% (1996)

30% (1995)

30% (1994)

10% (1990)

40% (2002)

30% (1997)