80% (1998)

40% (1994)

38% (1998)

0% (2000)

56% (2009)

15% (2000)

60% (2006)

75% (2000)

55% (1999)

20% (1995)

20% (1997)

38% (1994)

50% (1999)

58% (1996)

30% (1998)