33% (2001)

44% (1999)

37% (2010)

31% (2000)

31% (2007)

0% (1995)

0% (2000)

28% (2000)

48% (1997)

30% (1999)

10% (2004)

10% (1995)

32% (2007)

33% (2000)

0% (1995)

0% (1997)

0% (2004)

40% (1997)

0% (2000)