Year	% of total labor force
1995	0.4349591138432987
1996	0.44069365180794573
1997	0.43363253978578553
1998	0.43917119036991176
1999	0.43683132581887973
2000	0.4224608343601478
2001	0.41495497738495374
2002	0.41859978372344503
2003	0.4114859443259517
2004	0.41314477676636324
2005	0.41102905503746423
2006	0.41831822358766163
2007	0.41598188773944533
2008	0.6799020940984498
2009	0.4128847104053716
2010	0.4110512129380054
2011	0.4090363505910911
2012	0.41546058232589816
2013	0.40990491549910957
2014	0.4254132087314318
2015	0.42238794601743557
2016	0.4102633083364159
2017	0.6797819259581527
2018	0.4176966426776409
2019	0.6952990829005097
2020	0.7084360565615347