Year	% of working-age population
1960	70.69822073955041
1961	71.77647684409675
1962	72.79632968939525
1963	73.75127311408927
1964	74.3046870691948
1965	74.48094042057903
1966	74.58552530508359
1967	74.59690176237504
1968	74.50920906304766
1969	74.32629969980134
1970	74.06224188485315
1971	73.75466633933829
1972	73.39896111668835
1973	73.09776285876735
1974	72.84767338762842
1975	72.54221551948989
1976	72.20725366013178
1977	71.79360152802717
1978	71.28736597008582
1979	70.74579659919232
1980	70.14047360350555
1981	69.48824283516387
1982	68.87804758288063
1983	68.19265920117475
1984	67.4009956497257
1985	66.55594809274203
1986	65.61119189618552
1987	64.57375750425662
1988	63.45856310296044
1989	62.357045267244416
1990	61.31831698031491
1991	60.3215520022385
1992	59.33951482958902
1993	58.339421164861704
1994	57.29125299122164
1995	56.19891225295718
1996	55.08838801698148
1997	53.92792319635913
1998	52.69720986494079
1999	51.44837625005113
2000	50.28632333509665
2001	49.29443792831186
2002	48.48769745986171
2003	47.797935803593916
2004	47.10041343188257
2005	46.35744359409977
2006	45.60156488897591
2007	44.854138288615744
2008	44.058295289991044
2009	43.26732781566172
2010	42.53965213427423
2011	41.806042617000486
2012	41.07825656189097
2013	40.38607512232197
2014	39.76430991338755
2015	39.21347398222822
2016	38.68138448129124
2017	38.13179926865142
2018	37.60293626251213
2019	37.13839509021323
2020	36.71849730852265
2021	36.32921128028029
2022	35.948945496137505
2023	35.58109296477377