Year	% of total employment (modeled ILO estimate)
1991	30.161100136964716
1992	30.164577074209273
1993	30.452206393568698
1994	30.257505380813477
1995	30.53721898526679
1996	31.03989168731544
1997	31.48960229781167
1998	31.658992783851396
1999	31.880872761716837
2000	32.05079379318033
2001	32.387241626793525
2002	32.617579394127716
2003	32.95380644405044
2004	33.43916861191885
2005	33.84754018280328
2006	34.44495789081812
2007	34.98503042048975
2008	35.52154559852427
2009	35.92898709833743
2010	36.54341257046204
2011	37.21907714469787
2012	37.631118682619544
2013	38.03488126419488
2014	38.54446136522383
2015	39.060012395487895
2016	39.30830293360944
2017	39.44555711375143
2018	39.64415843552112
2019	39.69246029843618
2020	39.35580162535931
2021	39.626153693274226
2022	38.87746715158052