Year	% of working-age population
1960	5.100901063062721
1961	5.078087918797504
1962	5.049558481180086
1963	5.022020415827387
1964	4.9997191299614725
1965	4.9852874722326606
1966	4.979162400498943
1967	4.976930721246353
1968	4.976000227993776
1969	4.974508196619749
1970	4.970392427265525
1971	4.96778143354792
1972	4.965033506601631
1973	4.959390582640663
1974	4.956236365858606
1975	4.956795799126773
1976	4.962227562549841
1977	4.965320198357199
1978	4.956994415197815
1979	4.934795481712366
1980	4.901788059255422
1981	4.865839052263757
1982	4.815528054236952
1983	4.755125968332482
1984	4.674756914211383
1985	4.576091913942174
1986	4.508390906148453
1987	4.473853274371973
1988	4.457401908395419
1989	4.462199715389503
1990	4.4682307560269425
1991	4.482376297936116
1992	4.514652998918038
1993	4.5544246530929655
1994	4.593353536230081
1995	4.628650921231606
1996	4.6632476796534466
1997	4.6938635848780725
1998	4.718492836163217
1999	4.741467285746582
2000	4.7603142505270775
2001	4.77509788390734
2002	4.791608909985508
2003	4.804548051446197
2004	4.806580158495537
2005	4.78196430833589
2006	4.750411084143858
2007	4.803680825177613
2008	4.849388368248561
2009	4.830453701319561
2010	4.834730209368164
2011	4.8091488109972795
2012	4.767237122741078
2013	4.7374874770086315
2014	4.690796787229189
2015	4.6442456380074955
2016	4.606350886700883
2017	4.572686609547709
2018	4.551607034241336
2019	4.536900979863376
2020	4.494552727491699
2021	4.437871824614169
2022	4.395300154979428
2023	4.373908040471005