0% (1992)

0% (1980)

50% (1975)

40% (1982)

0% (1978)

0% (1966)

53% (1977)

0% (1975)

70% (1984)

0% (1974)

62% (1977)

60% (1970)

60% (1983)

55% (1975)

40% (1990)

0% (1985)

60% (1991)

50% (1978)

50% (1984)

40% (1980)