50% (1977)

75% (1955)

70% (1967)

50% (1983)

53% (1987)

53% (1983)

60% (1979)

67% (1979)

0% (1982)

0% (1983)

50% (1974)

75% (1981)

75% (1968)

85% (1964)

60% (1964)

55% (1960)

80% (1982)

85% (1968)

20% (1982)

35% (1970)