67% (2009)

61% (2001)

57% (2006)

68% (1955)

70% (2009)

73% (2013)

58% (1980)

40% (1991)

64% (2015)

59% (2002)

69% (1996)

70% (2022)

69% (2007)

81% (1972)

62% (2011)

56% (1931)

64% (1979)

59% (1969)

60% (2020)

70% (2014)