62% (1990)

57% (1996)

75% (1991)

15% (1993)

40% (1995)

33% (1992)

47% (1989)

42% (1993)

30% (1990)

50% (1997)

30% (1996)

59% (1990)

56% (1991)

51% (1993)

49% (1993)

45% (1995)

47% (1996)

0% (1992)

59% (2003)

38% (1992)