90% (1982)

90% (1981)

40% (1990)

75% (1988)

100% (1987)

40% (1989)

0% (1979)

80% (1990)

60% (1978)

80% (1979)

0% (1986)

40% (1987)

65% (1975)

60% (1970)

0% (1931)

0% (1972)

0% (1989)

0% (1959)

0% (1988)

0% (1973)