70% (2023)

71% (2014)

62% (2016)

67% (1990)

71% (2019)

64% (2012)

70% (2013)

53% (2006)

61% (1972)

65% (2007)

64% (2013)

70% (2010)

63% (1980)

68% (2004)

56% (2015)

57% (2018)

62% (1979)

64% (1968)

61% (1970)

64% (2005)