Year	% of total labor force (modeled ILO estimate)
1991	15.004077187573962
1992	15.487750256490454
1993	15.09275287135088
1994	14.714618714068667
1995	13.065807393589923
1996	12.920715326878415
1997	12.76098860029959
1998	12.335180272175638
1999	12.129609854220256
2000	11.550029382398032
2001	11.393988714056553
2002	11.9148972445171
2003	12.240646100901051
2004	11.60229954848003
2005	11.288327448463532
2006	10.246947894722654
2007	9.893704736617092
2008	9.923756953973331
2009	11.602216831464398
2010	11.686487018308538
2011	12.02373149490981
2012	12.14909358378755
2013	12.543856147004574
2014	12.234624737315352
2015	11.578944534035646
2016	11.533143519568789
2017	10.96118379015659
2018	11.174961387924606
2019	10.856229353813065
2020	13.355063691321865
2021	12.395407396109153
2022	10.707863298124556
2023	9.913603758901674
