54% (1960)

56% (1978)

50% (1964)

60% (1962)

32% (1999)

0% (2004)

46% (2004)

76% (1997)

73% (1980)

61% (1955)

0% (1956)

64% (1955)

40% (1955)

51% (2004)

68% (1998)

82% (1989)

64% (2009)

70% (1963)

37% (1959)

66% (1972)