51% (2015)

56% (2014)

66% (1995)

75% (1962)

65% (1977)

66% (2009)

53% (2015)

52% (1961)

65% (1970)

69% (1987)

61% (2017)

57% (1983)

55% (2014)

53% (1994)

47% (2009)

55% (2018)

63% (1957)

72% (1974)

61% (2021)

56% (1997)