74% (2020)

68% (2018)

78% (1968)

65% (2004)

50% (2007)

71% (2019)

69% (1969)

57% (1976)

68% (2005)

69% (2023)

65% (1995)

63% (2020)

63% (2005)

61% (2015)

69% (2014)

67% (1967)

62% (1958)

71% (1980)

71% (2019)

68% (2001)