57% (2013)

63% (2016)

60% (1976)

63% (2019)

71% (2017)

74% (2014)

71% (2003)

57% (2018)

64% (2015)

57% (1987)

60% (2001)

70% (1986)

70% (1970)

70% (2009)

73% (2017)

69% (1998)

70% (2011)

57% (2018)

46% (1934)

65% (2001)