40% (1984)

0% (1967)

52% (1996)

48% (2001)

63% (2000)

35% (1971)

60% (1992)

0% (1952)

50% (1991)

42% (1982)

72% (1972)

60% (1993)

0% (1959)

0% (1956)

52% (1990)

50% (2004)

70% (1957)

0% (2012)

50% (1982)

52% (1992)