47% (2003)

72% (2002)

53% (2001)

44% (2000)

43% (2000)

42% (2001)

57% (2001)

60% (2001)

40% (2002)

42% (2001)

38% (2003)

50% (2002)

55% (2001)

46% (2002)

44% (2001)

58% (2001)

30% (2001)

32% (2002)

40% (2000)

51% (2002)