68% (2004)

75% (2004)

67% (2005)

62% (2001)

80% (2004)

53% (2003)

52% (2001)

63% (2001)

58% (2006)

64% (2002)

60% (2006)

66% (2001)

43% (2006)

54% (2001)

49% (2005)

52% (2000)

63% (2005)

67% (2006)

57% (2002)

66% (2000)