Year	% of total employment (modeled ILO estimate)
1991	26.919003079939475
1992	27.366086224278384
1993	28.221359217479137
1994	29.03586713435474
1995	29.966904773394656
1996	30.660730928893305
1997	31.12930461477609
1998	31.429776649304742
1999	31.63219855979032
2000	32.02268618634836
2001	32.54169599959629
2002	33.280382133684334
2003	33.923851168648454
2004	34.86650694510054
2005	35.49185827391067
2006	36.05250547310126
2007	36.31177543772245
2008	36.737582336168565
2009	37.23982842320639
2010	37.532507732329364
2011	38.23140671898019
2012	38.72995592784545
2013	39.80798841595478
2014	40.84839916785218
2015	41.83642498426403
2016	42.36483950473197
2017	42.85998601043452
2018	43.46194016330886
2019	44.00129959267258
2020	43.34154721428736
2021	43.413435803691556
2022	43.539131914317295
