37% (2000)

32% (2005)

52% (2005)

47% (2001)

33% (2000)

29% (2003)

46% (2002)

21% (1997)

26% (1994)

24% (2001)

45% (2012)

59% (2003)

22% (2002)

0% (1999)

50% (1996)