80% (1994)

61% (1987)

53% (1991)

63% (1988)

43% (1988)

43% (1988)

54% (1988)

0% (1990)

74% (1990)

63% (1987)

52% (1989)

63% (1987)

33% (1988)

54% (1986)

69% (1990)

56% (1989)

59% (1993)

59% (1989)

0% (1989)

54% (1986)