Year	% of total employment (modeled ILO estimate)
1991	28.389876816050982
1992	28.834086305806384
1993	29.63097041239749
1994	30.369523311703833
1995	31.253969891131838
1996	31.91449920729262
1997	32.339297139685286
1998	32.64462662172713
1999	32.77260155650384
2000	33.15968997769046
2001	33.69277837152962
2002	34.447520495513196
2003	35.06945635355756
2004	36.02730245236876
2005	36.64216784742759
2006	37.20314782166199
2007	37.49536277317997
2008	37.91540857944085
2009	38.42559436161345
2010	38.718619600297316
2011	39.40724128848972
2012	39.894645184289566
2013	40.92254118610121
2014	41.935506179030185
2015	42.89431236945701
2016	43.40666826309462
2017	43.88975580040507
2018	44.4608726961039
2019	44.954211772839024
2020	44.319450604002874
2021	44.37978814199592
2022	44.50396152678591