53% (2002)

49% (2005)

53% (2002)

29% (2004)

57% (2002)

62% (2004)

71% (2003)

55% (2002)

53% (2004)

60% (2004)

53% (2001)

46% (2002)

55% (2007)

66% (2001)

38% (2002)

56% (2002)

47% (2002)

61% (2001)

55% (2004)

61% (2003)