64% (1997)

64% (2001)

67% (2012)

66% (2012)

71% (2018)

82% (1997)

69% (2000)

73% (2016)

62% (1992)

53% (1999)

58% (2015)

59% (1945)

70% (1963)

63% (2016)

86% (2005)

65% (2018)

62% (1968)

62% (2009)

65% (2002)

57% (2005)