Year	% of working-age population
1960	57.61942269378678
1961	61.514410644600126
1962	68.31707139917197
1963	74.64956755144647
1964	80.50343249427918
1965	85.84827443258368
1966	90.61966429378234
1967	94.77864859140013
1968	98.44144120224094
1969	101.76406610605619
1970	103.14742079078292
1971	102.62148337595909
1972	102.06979302069794
1973	101.63068723565509
1974	101.20211265922616
1975	100.73025057160187
1976	100.19092210832557
1977	99.60432370299962
1978	99.03552863341496
1979	98.48965949446418
1980	98.056313923638
1981	97.73887382357633
1982	97.72170744607911
1983	97.82231643862016
1984	97.56111394702512
1985	97.89678856506404
1986	98.73789418008718
1987	99.2039694438495
1988	99.5382390353552
1989	99.87236215112321
1990	100.23127350171374
1991	100.4805029807473
1992	100.44668495947928
1993	100.05930827818703
1994	99.3455078035608
1995	98.3382019792536
1996	97.07611701353514
1997	95.54100316774863
1998	93.6551915217843
1999	91.50438892640108
2000	89.24061467152995
2001	87.8860284671908
2002	87.32107362078234
2003	86.70981373096632
2004	86.2049828787342
2005	85.7835589364098
2006	85.45881826320502
2007	85.27063289482297
2008	85.15200204300962
2009	84.95571545753772
2010	84.55840629053178
2011	83.98603611622065
2012	83.93944970121933
2013	84.36622800757424
2014	84.58181070497304
2015	84.51834862385321
2016	84.1349398457676
2017	83.47105980297911
2018	82.5960740945535
2019	81.50124751554108
2020	79.86409891493021
2021	77.92903796923224
2022	76.15159356068236
2023	74.54304555993858