68% (2004)

75% (2004)

67% (2005)

61% (2001)

53% (2003)

52% (2001)

54% (2001)

58% (2006)

61% (2006)

66% (2001)

57% (2002)

80% (2004)

63% (2002)

43% (2006)

72% (2005)

66% (2005)

59% (2004)

62% (2002)

59% (2001)

60% (2001)