53% (2002)

62% (2004)

49% (2005)

55% (2002)

53% (2001)

38% (2002)

53% (2004)

66% (2001)

71% (2003)

53% (2002)

58% (2002)

61% (2001)

28% (2004)

60% (2004)

55% (2007)

47% (2002)

56% (2002)

61% (2003)

46% (2002)

55% (2004)