Year	% of total employment (modeled ILO estimate)
1991	16.7046636657949
1992	16.0771022845715
1993	15.3063756436578
1994	14.5884184671197
1995	14.2097521241242
1996	13.8861658853741
1997	14.3324390375527
1998	15.1461641720979
1999	16.1887170368135
2000	17.5094170041703
2001	18.717159992708
2002	19.9191018594106
2003	19.808519145839
2004	19.4529096298911
2005	19.11259960439
2006	18.9286550211057
2007	18.9092002644347
2008	18.9721617909907
2009	19.0637205449047
2010	19.1401304219547
2011	19.5223236462991
2012	19.9180262841937
2013	20.416618395001
2014	20.7963496716506
2015	20.9850723870634
2016	21.1764222136463
2017	21.1974997950135
2018	21.2097286487893
2019	21.1654418845325
2020	20.9095676212412
2021	21.1029570914882
2022	21.3941585915109