65% (1992)

70% (1976)

50% (1989)

59% (1993)

50% (1986)

0% (1951)

65% (2012)

0% (1985)

0% (1970)

60% (1980)

70% (1978)

94% (1971)

50% (1998)

0% (1954)

50% (1986)

78% (1993)

50% (1975)

30% (1976)

50% (1986)

47% (1987)