74% (1964)

48% (1967)

20% (2017)

51% (1993)

52% (2001)

38% (2011)

74% (1981)

35% (2010)

67% (2016)

50% (2014)

60% (1973)

64% (1978)

63% (1970)

73% (1920)

57% (2000)

59% (1972)

0% (2009)

58% (2009)

67% (1977)

55% (2001)