51% (1969)

68% (1974)

59% (1993)

54% (1970)

48% (1970)

56% (1994)

0% (1991)

0% (1992)

61% (1972)

80% (1979)

0% (1970)

50% (1962)

40% (1963)

70% (1969)

70% (1968)

35% (1996)

0% (1992)

51% (1965)

0% (1993)

70% (1967)