66% (2000)

68% (2005)

62% (2002)

67% (2005)

49% (2005)

63% (2001)

61% (2003)

72% (2005)

58% (2005)

60% (2006)

58% (2002)

61% (2002)

55% (2002)

43% (2002)

70% (2005)

57% (2001)

47% (2001)

59% (2001)

53% (2003)

45% (2004)