Year	% of total labor force
1991	3.177406391927335
1992	2.556380570791756
1993	2.4954287356218754
1994	1.9904234472337037
1995	1.7272148017087985
1996	1.6858203320990164
1997	1.4973514353175363
1998	1.3807673287683164
1999	1.3477858155368376
2000	1.3368081501213103
2001	1.2937661139001566
2002	1.2741375201427403
2003	1.2558461555864926
2005	1.1320729344048583
2006	1.0949592213959545
2007	1.060193571641574
2008	1.030496621095261
2009	1.0027330654489746
2010	1.0355144355374113
2011	1.0188650873503098
2012	1.0061622425822088
2013	0.9828538879807532
2014	0.9709513852267664
2015	0.9577298587897043
2016	0.9546794114295354
2017	0.9491068713428361
2018	0.944862768457324
2019	0.9341802709502184
2020	0.9533909623468102