30% (2007)

28% (2000)

52% (1997)

37% (2010)

0% (2000)

43% (1999)

31% (2000)

30% (1999)

33% (2001)

32% (2007)

10% (1995)

33% (2000)

0% (1997)

10% (2004)

0% (1995)

40% (1997)

0% (1995)

0% (1995)

0% (2004)

0% (2000)