68% (2004)

58% (2006)

63% (2002)

75% (2004)

61% (2003)

63% (2001)

66% (2000)

44% (2002)

62% (2001)

67% (2005)

43% (2006)

57% (2001)

49% (2005)

54% (2001)

52% (2000)

53% (2003)

80% (2004)

57% (2002)

63% (2001)

63% (2005)