68% (2013)

58% (2005)

55% (2011)

63% (1972)

66% (2012)

73% (1983)

66% (1994)

68% (1976)

59% (2008)

54% (2013)

60% (2019)

56% (1995)

55% (1995)

59% (1953)

66% (2009)

51% (2018)

65% (1956)

58% (1996)

53% (1994)

51% (1963)