Year	% of total labor force
1991	10.426480625760002
1992	10.35030425770558
1993	10.653759255431732
1994	10.985006287060498
1995	11.33383905344852
1996	11.712218895210977
1997	12.089271760650819
1998	12.465293533067124
1999	12.817287899606008
2000	12.256896756542279
2001	12.115163311116332
2002	12.151030177420354
2003	12.5399958253738
2004	13.008444001564905
2005	13.566974000044866
2006	14.160822456095701
2007	13.992173298724392
2008	13.911909599311088
2009	13.761675583442145
2010	14.4847037683626
2011	15.183646830501441
2012	15.340261089684013
2013	15.035748657847481
2014	15.194083953819668
2015	15.797721517311066
2016	16.133046154515835
2017	14.295365949089584
2018	15.449011602923695
2019	16.576962649777467
2020	19.46642055863955
2021	22.410678384031517
2022	22.378098758270077
2023	22.601371473303324