Year	% of total employment (modeled ILO estimate)
1991	23.5462090957095
1992	23.9038340565803
1993	23.8796125915324
1994	23.8276058477312
1995	23.759852557827
1996	23.6916409841725
1997	23.8566810236717
1998	23.9534267787428
1999	24.085959881054
2000	24.3258739200253
2001	24.7666242144161
2002	25.2024247555165
2003	25.6258427854947
2004	26.3026441038478
2005	27.3406732593706
2006	28.2025906766809
2007	29.1615909394663
2008	30.2077269249105
2009	31.1814690581084
2010	31.6723863571004
2011	32.149202409645
2012	32.5434598964507
2013	33.042222727669
2014	33.3936528320978
2015	33.7608409912384
2016	34.2374340315878
2017	34.6420103071815
2018	35.0003190296501
2019	35.292812357323
2020	35.0784617977361
2021	35.1060859974729
2022	35.7295729136473