27% (2003)

33% (2000)

24% (2001)

26% (1994)

37% (2000)

52% (2005)

47% (2001)

59% (2003)

45% (2012)

47% (2002)

34% (2005)

21% (1997)

50% (1996)

22% (2002)

0% (1999)