71% (1969)

66% (2017)

67% (1986)

70% (2009)

54% (1998)

71% (1993)

59% (1986)

74% (1971)

55% (2012)

76% (2006)

71% (1979)

70% (2006)

65% (2001)

70% (2016)

64% (2013)

57% (2007)

64% (2009)

76% (2019)

64% (1952)

80% (2016)