Year Percent of Working-Age Population 1960-01-01 5.16582891571091 1961-01-01 5.25259397856778 1962-01-01 5.33358478032634 1963-01-01 5.39271155517185 1964-01-01 5.40474051551379 1965-01-01 5.36128886505731 1966-01-01 5.41855780851350 1967-01-01 5.42702514519013 1968-01-01 5.41595763086068 1969-01-01 5.41517613533014 1970-01-01 5.44105136119025 1971-01-01 5.59626089134553 1972-01-01 5.75570515991655 1973-01-01 5.91092698570938 1974-01-01 6.05242340517831 1975-01-01 6.17799916367597 1976-01-01 6.39418630663958 1977-01-01 6.54712415173740 1978-01-01 6.62688243760312 1979-01-01 6.61784419139539 1980-01-01 6.50496918797802 1981-01-01 6.60625629922729 1982-01-01 6.66305924612586 1983-01-01 6.67976290971966 1984-01-01 6.65226005560005 1985-01-01 6.58591203000823 1986-01-01 6.59313207402141 1987-01-01 6.55727756316624 1988-01-01 6.48626194291140 1989-01-01 6.38987020045398 1990-01-01 6.27447082600061 1991-01-01 6.24542134997155 1992-01-01 6.19204240880844 1993-01-01 6.11403800784473 1994-01-01 6.01005846881487 1995-01-01 5.88012282778378 1996-01-01 5.86846236247634 1997-01-01 5.83085274032569 1998-01-01 5.76927745650707 1999-01-01 5.68986549642750 2000-01-01 5.59530134085879 2001-01-01 5.52778168072483 2002-01-01 5.44173947332025 2003-01-01 5.34670749506339 2004-01-01 5.25467767519647 2005-01-01 5.17142695151880 2006-01-01 5.16869904279945 2007-01-01 5.16693326246825 2008-01-01 5.16130634546132 2009-01-01 5.14401182254124 2010-01-01 5.11320635352061 2011-01-01 5.13298336410675 2012-01-01 5.13329215373372 2013-01-01 5.13135572211695 2014-01-01 5.14733617206753 2015-01-01 5.19017884800365 2016-01-01 5.29420996068725 2017-01-01 5.40867048386082