43% (2004)

44% (2000)

70% (1998)

40% (2006)

29% (2008)

69% (2000)

40% (2004)

30% (2006)

54% (2005)

58% (2006)

38% (1998)

39% (2002)

60% (1998)

51% (2005)

39% (2002)

33% (1999)

40% (2011)

56% (1998)

10% (2004)

58% (2002)