58% (2000)

63% (1999)

50% (2005)

68% (2005)

49% (1999)

65% (1999)

45% (2003)

53% (2002)

56% (2001)

45% (2000)

54% (2001)

63% (2002)

66% (1999)

54% (2001)

70% (1999)

38% (2000)

68% (2001)

58% (2001)

47% (2006)

28% (1998)