73% (1999)

66% (2001)

51% (2001)

58% (2004)

52% (2000)

49% (2005)

58% (2004)

63% (2001)

57% (2000)

67% (2006)

33% (2000)

70% (2006)

39% (2003)

58% (2002)

64% (2000)

59% (2001)

45% (2005)

56% (2003)

53% (2003)

54% (2002)