73% (2020)

70% (2015)

64% (1983)

71% (2016)

70% (1964)

64% (2013)

83% (2019)

55% (2018)

62% (2006)

75% (2020)

62% (2009)

67% (2008)

63% (1966)

68% (2018)

72% (2014)

67% (2008)

64% (1977)

69% (1989)

51% (1990)

57% (2013)