Year Percent of Working-Age Population 1960-01-01 7.89667002415880 1961-01-01 7.82590195507581 1962-01-01 7.70109226206922 1963-01-01 7.53991753101669 1964-01-01 7.36992001941519 1965-01-01 7.20043250030519 1966-01-01 7.11379905190095 1967-01-01 7.01773438245583 1968-01-01 6.90134041782393 1969-01-01 6.74382768054360 1970-01-01 6.54746796215077 1971-01-01 6.39668124356692 1972-01-01 6.21661704829036 1973-01-01 6.01782670006104 1974-01-01 5.80878785428375 1975-01-01 5.59330500911807 1976-01-01 5.42823939570017 1977-01-01 5.25825986285511 1978-01-01 5.09680212779118 1979-01-01 4.95192641940774 1980-01-01 4.83062871766089 1981-01-01 4.78731259916765 1982-01-01 4.74781623478674 1983-01-01 4.71878197664161 1984-01-01 4.70943095440448 1985-01-01 4.72115207615642 1986-01-01 4.78131878952668 1987-01-01 4.85267408979792 1988-01-01 4.91807154149614 1989-01-01 4.95630474362935 1990-01-01 4.96097439926076 1991-01-01 4.96324111088844 1992-01-01 4.93666725466731 1993-01-01 4.89754511620517 1994-01-01 4.86496859981304 1995-01-01 4.84695440282609 1996-01-01 4.87150010330987 1997-01-01 4.89501855681515 1998-01-01 4.91899980302963 1999-01-01 4.94466614020180 2000-01-01 4.97355949891551 2001-01-01 5.04669589778179 2002-01-01 5.11652761305050 2003-01-01 5.18156022160705 2004-01-01 5.23859240794841 2005-01-01 5.28452156515717 2006-01-01 5.34642256464454 2007-01-01 5.40449470144299 2008-01-01 5.45606913495460 2009-01-01 5.49667444760656 2010-01-01 5.52607716840723 2011-01-01 5.56176605073167 2012-01-01 5.58533396364159 2013-01-01 5.61523805620069 2014-01-01 5.67563984506845 2015-01-01 5.77827009906328 2016-01-01 5.92308253626890 2017-01-01 6.09608928593123