100% (1994)

40% (1995)

43% (1995)

68% (1992)

56% (1996)

35% (1999)

62% (1996)

75% (1994)

30% (1999)

49% (1994)

40% (1995)

42% (1995)

54% (1996)

50% (2001)

56% (1999)

53% (1999)

40% (1994)

33% (1998)

45% (1996)

50% (1997)