Year	% of total employment (modeled ILO estimate)
1991	20.3194885055505
1992	20.0868875762964
1993	19.7966814891037
1994	19.6741936385749
1995	19.4812291834495
1996	19.1741810820758
1997	18.8481368114058
1998	18.6367288634943
1999	18.405470990514
2000	18.3637094378528
2001	18.1613553922205
2002	17.8421832572403
2003	17.4276199970306
2004	16.9938049114897
2005	16.6108539965634
2006	16.1767946612337
2007	15.7967487749967
2008	15.4947174787153
2009	15.212188640584
2010	14.8779615872654
2011	14.6288722975343
2012	14.2853366664527
2013	13.9565349701994
2014	13.7459300014949
2015	13.4427509346932
2016	13.2046041118705
2017	13.2081311840298
2018	13.268379461572
2019	13.3093342454341
2020	13.5554123979136
2021	13.6490853287543
2022	13.4468016194332
