58% (1993)

51% (1992)

46% (1994)

53% (1992)

55% (1995)

50% (1994)

45% (1993)

46% (1992)

45% (1994)

38% (1992)

38% (1994)

49% (1991)

24% (1996)

42% (1992)

40% (1994)

27% (1992)

35% (2008)

50% (1994)

40% (1993)