37% (1979)

69% (2019)

72% (2019)

63% (2017)

42% (2008)

75% (1999)

58% (2009)

58% (2016)

61% (2008)

49% (2007)

57% (2011)

72% (2008)

66% (2005)

62% (2000)

53% (1972)

70% (1968)

61% (1943)

54% (2009)

70% (1937)

59% (2010)