67% (2004)

67% (2005)

67% (2002)

62% (2001)

43% (2006)

70% (2005)

75% (2004)

80% (2004)

58% (2006)

53% (2003)

64% (2005)

66% (2001)

63% (2001)

51% (2001)

52% (2000)

61% (2006)

64% (2002)

54% (2001)

57% (2002)

72% (2005)