52% (2001)

73% (1999)

57% (2000)

66% (2001)

57% (2004)

70% (2006)

33% (2000)

49% (2005)

59% (2001)

52% (2000)

52% (2002)

67% (2006)

56% (2003)

61% (2001)

64% (2001)

58% (2002)

46% (2005)

55% (2002)

62% (2004)

64% (2000)