52% (2008)

30% (1947)

77% (1987)

54% (2014)

45% (1955)

49% (1992)

30% (2016)

50% (1934)

61% (1987)

50% (1999)

46% (2004)

42% (1938)

66% (1986)

36% (2016)

62% (1996)

70% (2016)

45% (2017)

56% (2015)

71% (1997)

63% (1919)