54% (1989)

0% (1991)

60% (1984)

50% (1964)

70% (1970)

80% (1970)

60% (1965)

0% (1986)

0% (1968)

80% (1971)

0% (1990)

50% (1964)

50% (1980)

0% (1965)

0% (1960)

45% (1991)

73% (1971)

80% (1987)

0% (1966)

65% (1966)