72% (1967)

63% (1998)

73% (1987)

57% (2011)

67% (2018)

70% (1944)

55% (1990)

65% (2006)

75% (2015)

65% (1988)

64% (2006)

60% (1969)

49% (2002)

57% (1958)

47% (1949)

57% (2019)

50% (1938)

60% (2009)

52% (2011)

63% (2013)