60% (1957)

69% (2013)

70% (1977)

71% (2006)

73% (1995)

48% (1949)

61% (2010)

57% (2018)

72% (2016)

53% (2006)

44% (2015)

70% (1986)

68% (2016)

70% (2007)

71% (2021)

65% (2020)

70% (2009)

72% (2019)

78% (2015)

61% (2018)