60% (1969)

60% (1960)

80% (1973)

72% (1977)

51% (2011)

50% (1976)

0% (1995)

58% (1948)

74% (1977)

55% (2013)

61% (2012)

92% (1980)

71% (1998)

60% (1994)

20% (1991)

63% (1978)

72% (1975)

66% (2005)

62% (1967)

68% (1999)