76% (2015)

59% (2013)

0% (2017)

54% (1998)

47% (1960)

60% (1920)

41% (2011)

57% (2018)

40% (1968)

0% (1966)

56% (2014)

0% (1970)

60% (1938)

40% (2015)

35% (1978)

71% (1986)

62% (1964)

35% (1973)

20% (2008)

58% (2016)