60% (1962)

53% (1960)

32% (1999)

61% (1989)

56% (1978)

52% (1980)

0% (2004)

66% (1984)

54% (1972)

0% (1956)

64% (2009)

61% (1993)

47% (2006)

63% (1983)

46% (2004)

56% (1993)

61% (1955)

76% (1999)

74% (2014)

75% (1997)