65% (1997)

63% (1998)

67% (1977)

64% (2007)

67% (1992)

63% (2006)

61% (1997)

53% (1985)

68% (2005)

60% (2014)

74% (1977)

78% (1976)

81% (1944)

57% (2016)

71% (2003)

59% (1996)

57% (2019)

67% (2006)

63% (2002)

71% (2015)