64% (2016)

69% (2012)

62% (2000)

66% (2005)

64% (2004)

66% (1958)

54% (1982)

69% (2007)

68% (1983)

59% (2016)

59% (2018)

65% (1999)

69% (2014)

54% (2016)

59% (1974)

53% (1985)

60% (1930)

55% (2000)

59% (2010)

64% (2018)