Year	% of working-age population
1960	94.15569750001448
1961	95.33115374100063
1962	96.38300611882728
1963	97.38244074617756
1964	97.88488751863031
1965	97.71168367052856
1966	97.40853736178103
1967	96.99316583610873
1968	96.61291875240661
1969	96.53384100308541
1970	96.70339215506995
1971	97.1001694764071
1972	97.66017731468787
1973	98.31463060338604
1974	99.10614386235362
1975	100.02141717010487
1976	100.96093660810241
1977	101.81158726450323
1978	102.45186818744725
1979	102.95243006595815
1980	103.39712483743304
1981	103.93208312905158
1982	104.37044572648016
1983	104.43425910185806
1984	104.32457748291787
1985	103.94511865792559
1986	103.09483945806024
1987	101.863759533227
1988	99.2005288650751
1989	97.58405525523169
1990	96.51808876939766
1991	94.02129603363049
1992	91.70037780516623
1993	90.4257993831009
1994	92.79202650656767
1995	94.3363108903452
1996	91.98420341734354
1997	89.7107716676207
1998	87.38496127522644
1999	84.9310560253464
2000	82.59207310324055
2001	80.3888518260919
2002	78.33748943584821
2003	76.47866845945804
2004	74.7386437383781
2005	73.15944997704646
2006	71.72038790495347
2007	70.3035641401651
2008	68.85053848676147
2009	67.47234256689285
2010	66.48798492470137
2011	65.81862952584277
2012	65.23636653401107
2013	64.67847115022303
2014	64.0277451706307
2015	63.24888652618507
2016	62.41265382203023
2017	61.532316736024214
2018	60.58419337824107
2019	59.54331888235694
2020	58.46922833994294
2021	57.445915908315634
2022	56.59289867092723
2023	55.761820708806944