43% (2007)

52% (2004)

38% (2004)

51% (2001)

45% (2003)

45% (2003)

53% (2001)

57% (2004)

32% (1998)

45% (2003)

20% (2001)

38% (2002)

40% (2002)

46% (2009)

31% (2006)

27% (2000)

42% (2005)

60% (2003)

70% (1997)

0% (2001)