Year	% of total labor force
1991	10.54729903984084
1992	10.623330260129842
1993	10.644740426826685
1994	10.666635784384917
1995	10.695234459438362
1996	10.718645550512642
1997	10.76260010522891
1998	11.120047981497025
1999	11.491213636729569
2000	11.877094242377687
2001	12.276357826158735
2002	12.690073016420204
2003	13.126588107865436
2004	13.590659042038563
2005	14.075256753508222
2006	14.58396150285369
2007	15.113811874482588
2008	15.086427965298263
2009	15.035224399021121
2010	14.97437982791277
2011	14.910903606059813
2012	14.845632428734895
2013	15.579348428072784
2014	16.33436672761626
2015	16.811472816351554
2016	17.308235157993224
2017	13.787321241350597
2018	13.798384339456032
2019	13.89053364013437
2020	13.85971574391261
2021	13.944419557070473
2022	13.603196150333396
2023	13.88480319010458