Year	% of total employment (modeled ILO estimate)
1991	5.12820921448947
1992	5.17347504052196
1993	5.22080354033623
1994	5.27143527831202
1995	5.32449728363923
1996	5.38082598887698
1997	5.44043294846699
1998	5.50272176646477
1999	5.56605449113865
2000	5.62987052233641
2001	5.69562971865515
2002	5.74216875860895
2003	5.76846003820324
2004	5.78353176896698
2005	5.63003506130672
2006	5.47560810171958
2007	5.32009595112705
2008	5.16331640717893
2009	5.0036843609949
2010	4.84455262096721
2011	4.68557304607684
2012	4.52586555593164
2013	4.3676700377351
2014	4.2103475445254
2015	4.05508135238428
2016	3.90008027233893
2017	3.74578122751459
2018	3.59060643752798
2019	3.13468395280495
2020	2.71264825398573
2021	3.19033273103268
2022	3.12183470709359