Year	% of working-age population
1960	4.794956669916803
1961	5.054468772992688
1962	5.271154470834551
1963	5.488781903317285
1964	5.732605106319603
1965	6.033888986004844
1966	6.3464462540668665
1967	6.625607650342734
1968	6.8831011140454725
1969	7.12301215901745
1970	7.3667318740498935
1971	7.563907146171521
1972	7.708639490607497
1973	7.85768633009811
1974	8.02097064786429
1975	8.226707822244197
1976	8.480624378065189
1977	8.73519014077014
1978	8.959640095049311
1979	9.171021978693144
1980	9.428086259075954
1981	9.713789746378474
1982	9.975842712782075
1983	10.212350004360397
1984	10.463322951347868
1985	10.791380457517242
1986	11.132756387382477
1987	11.432763247007742
1988	11.708570477921706
1989	11.965599409358756
1990	12.271842996143313
1991	12.63290925692164
1992	12.986383568530535
1993	13.32474161918246
1994	13.674413729072448
1995	14.10495590112236
1996	14.49763882815916
1997	14.75082594798135
1998	15.021115885418897
1999	15.30395824792485
2000	15.560290098529315
2001	15.86704833302397
2002	16.21522404929899
2003	16.540707346440776
2004	16.812669900054612
2005	17.03122013130317
2006	17.188184839521032
2007	17.279488008781474
2008	17.385357934525203
2009	17.57922087757677
2010	17.84655757418591
2011	18.217859280192993
2012	18.74865705251108
2013	19.43207097577371
2014	20.276629444989574
2015	21.25962935677364
2016	22.29991581918164
2017	23.36978338256457
2018	24.514274750721384
2019	25.789367841750945
2020	27.190589103243557
2021	28.734085584355572
2022	30.33577434447202
2023	32.01674598921553