76% (1963)

58% (1990)

69% (2006)

59% (2019)

53% (1972)

41% (2007)

61% (2019)

57% (2017)

64% (1970)

63% (1964)

55% (1977)

55% (2018)

63% (1972)

64% (1976)

57% (2020)

43% (2015)

67% (2019)

61% (2018)

45% (2014)

69% (1970)