0% (1995)

70% (2006)

56% (1995)

65% (2006)

70% (2007)

60% (2001)

0% (2002)

52% (1996)

58% (2003)

50% (1996)

30% (2002)

43% (1989)

20% (1996)

48% (1997)

58% (1996)

40% (1995)

60% (2006)

0% (1999)

50% (2001)

0% (1999)