64% (1999)

61% (2002)

69% (2001)

80% (2000)

53% (2002)

55% (1999)

64% (2004)

67% (1999)

43% (2000)

44% (2002)

65% (1999)

58% (2001)

49% (2000)

32% (2003)

43% (2001)

46% (1999)

50% (2001)

65% (2004)

58% (2004)

51% (2001)