Year	% of total employment (modeled ILO estimate)
1991	3.1462241167321383
1992	3.1720571450456903
1993	3.1835326078555735
1994	3.203784086168488
1995	3.268446687692365
1996	3.294262496040781
1997	3.3226450463933825
1998	3.3702049451306
1999	3.514781722731879
2000	3.500502329714235
2001	3.6418041422504914
2002	3.6958335007706347
2003	3.7122956726879095
2004	3.7707739256577284
2005	3.791094809115246
2006	3.8335838641337636
2007	3.9426008679899582
2008	3.9257523987802534
2009	3.9699627088047365
2010	3.904127176061943
2011	3.8942486407330037
2012	3.8966645346582083
2013	3.9028136039373287
2014	3.858019820054219
2015	3.869700084882667
2016	3.8459521589753387
2017	3.811906717688224
2018	3.775057489981725
2019	3.6844093615593
2020	3.6385307151420716
2021	3.570652784553915
2022	3.5080790131319834