53% (1982)

44% (1977)

0% (1983)

67% (1969)

64% (2007)

53% (1970)

64% (2010)

52% (1970)

61% (1966)

58% (1969)

60% (1969)

66% (1971)

63% (1967)

20% (1979)

55% (1972)

20% (1984)

52% (2012)

53% (1969)

47% (1974)

40% (1971)