51% (1997)

27% (1994)

47% (1995)

40% (1996)

43% (2000)

55% (1995)

45% (1993)

49% (1996)

42% (1994)

23% (1996)

35% (1996)

39% (1995)

49% (1995)

38% (1995)

46% (1995)

42% (1997)

40% (1996)

10% (1995)

32% (1992)

43% (1994)