53% (2002)

49% (2005)

71% (2003)

27% (2004)

37% (2002)

53% (2004)

63% (2004)

58% (2002)

54% (2002)

62% (2004)

53% (2001)

55% (2007)

56% (2002)

48% (2002)

61% (2003)

55% (2002)

65% (2001)

48% (2002)

57% (2001)

64% (2002)