54% (2002)

49% (2005)

38% (2002)

54% (2002)

71% (2003)

62% (2004)

53% (2004)

53% (2001)

28% (2004)

55% (2007)

58% (2002)

60% (2001)

46% (2002)

66% (2001)

61% (2004)

55% (2002)

61% (2003)

56% (2002)

47% (2002)

55% (2004)