63% (2012)

60% (2010)

68% (1959)

59% (2022)

66% (1976)

51% (1972)

55% (2007)

61% (1966)

60% (1985)

61% (2022)

71% (1984)

66% (2013)

71% (2020)

64% (1988)

60% (2006)

51% (2005)

71% (2013)

62% (2006)

69% (1959)

63% (2015)