55% (2000)

45% (2002)

57% (2002)

51% (2002)

38% (2002)

49% (2001)

48% (2000)

40% (2001)

43% (2001)

41% (2000)

33% (2000)

58% (2002)

52% (2002)

32% (2002)

20% (2001)

15% (2001)

15% (2000)