61% (1996)

63% (2003)

40% (2002)

43% (2000)

46% (2002)

35% (2003)

34% (2002)

39% (1999)

69% (2000)

48% (2003)

38% (2004)

47% (2001)

46% (2003)

85% (2002)

41% (2002)

59% (2003)

58% (2000)

32% (2002)

53% (2004)

57% (2002)