38% (1996)

30% (2000)

44% (1998)

40% (1998)

51% (1997)

49% (1997)

36% (1995)

38% (2004)

46% (1998)

28% (1997)

46% (1995)

42% (1998)

42% (1996)

72% (1997)

40% (1998)

39% (1996)

45% (1996)

48% (1997)

46% (1997)

52% (1997)