Year	% of total employment (modeled ILO estimate)
1991	19.0715269252202
1992	19.119579711787562
1993	19.36639149427995
1994	19.49263069098779
1995	19.584672933493547
1996	19.829098900189464
1997	19.915871126618427
1998	19.7856890628318
1999	19.64542732289535
2000	19.51148816229536
2001	19.565834643181162
2002	19.329038385869534
2003	19.516998886435758
2004	20.046063855048637
2005	20.73241052040135
2006	21.42206723535094
2007	22.219703735849144
2008	22.439155594590837
2009	22.762429677457796
2010	23.330502943622772
2011	23.847431408940928
2012	24.479360206431288
2013	24.491938674794653
2014	24.573187249686146
2015	24.45436308805292
2016	24.579752889810813
2017	24.755299672288793
2018	24.979852855750043
2019	25.09463014151184
2020	24.978511046306313
2021	25.481722298940813
2022	25.764908084503546