Year	% of total employment (modeled ILO estimate)
1991	28.5267348017775
1992	28.5433751085115
1993	28.7961449380002
1994	28.6373068941665
1995	28.5658457399238
1996	28.377523998078
1997	28.2393971088376
1998	28.124222035603
1999	28.1764932341927
2000	28.4551382543294
2001	28.5679158348311
2002	28.7272604656652
2003	29.1242465146746
2004	29.9838593191832
2005	31.0095880215402
2006	32.2505150522403
2007	33.3783363134234
2008	34.5349605149689
2009	34.534144486692
2010	35.7194061316946
2011	35.1522019529247
2012	34.9940998892372
2013	35.053982948921
2014	35.2019986677365
2015	35.1573587220676
2016	35.2436672757928
2017	35.3020262435966
2018	35.1401222872586
2019	35.0027287781866
2020	34.8948411832851
2021	34.9958941594723
2022	34.8175789818714
