55% (2009)

67% (1962)

60% (1988)

30% (1972)

56% (2016)

51% (1986)

60% (2007)

53% (1986)

63% (2015)

58% (1959)

32% (1975)

57% (1991)

64% (2017)

58% (2011)

68% (1967)

67% (1963)

57% (1961)

56% (2011)

64% (1977)

64% (1943)