79% (2003)

56% (2003)

70% (2001)

73% (2004)

64% (2002)

56% (2000)

68% (2005)

61% (2001)

27% (1999)

64% (2005)

66% (2004)

54% (2002)

66% (2002)

46% (2002)

69% (2002)

68% (2002)

50% (2004)