70% (1952)

65% (1986)

0% (1997)

70% (2008)

60% (1992)

60% (1966)

64% (1950)

50% (1986)

0% (1997)

0% (1972)

59% (1984)

0% (1995)

65% (1985)

45% (1990)

80% (1992)

55% (1965)

0% (1995)

57% (1982)

62% (2001)

60% (1990)