Year	% of total employment (modeled ILO estimate)
1991	14.0021415726891
1992	14.067269482376
1993	14.1230588849099
1994	14.2134005532683
1995	14.303375092532
1996	14.4155328437632
1997	14.5457275069769
1998	14.6771204299798
1999	14.8464560709325
2000	15.0608626402729
2001	15.3000806773738
2002	15.5065019348612
2003	15.7257134789651
2004	15.9812574980219
2005	16.1981775652376
2006	16.4271108136932
2007	16.6467961586993
2008	16.9348908525566
2009	17.2464073962908
2010	17.6004213928116
2011	17.9401506646335
2012	18.2940981799521
2013	18.6467045876718
2014	19.0253952374004
2015	19.4076763264117
2016	19.7143437945428
2017	20.1027772676939
2018	20.5964016675408
2019	21.1327532113167
2020	20.7977012045001
2021	21.1210522837649
2022	21.5361202450666