61% (1997)

53% (1997)

54% (1996)

61% (1996)

35% (1995)

64% (1995)

48% (1996)

58% (1999)

67% (1995)

50% (1995)

42% (1994)

33% (1997)

45% (1995)

50% (1995)

60% (1997)

35% (1996)

0% (1997)

73% (1994)

0% (1998)

63% (1995)