Year	% of total employment (modeled ILO estimate)
1991	3.06264644222469
1992	3.0870544457501
1993	3.11446684756817
1994	3.14095583787054
1995	3.16676787657602
1996	3.18847157608079
1997	3.20663671587154
1998	3.2250602066601
1999	3.24320822609996
2000	3.25463267801712
2001	3.28152289857111
2002	3.28830274560149
2003	3.2838828798919
2004	3.29248726951427
2005	3.29577889680459
2006	3.31418542425988
2007	3.35014264475429
2008	3.35382540365143
2009	3.34589163975601
2010	3.3890406153692
2011	3.47178797080496
2012	3.36961955282047
2013	3.27745664739884
2014	3.7058958044686
2015	4.05029214720548
2016	4.19970048380066
2017	4.21329822251481
2018	4.22028001973923
2019	3.9603566311097
2020	4.07687052498026
2021	4.0296879344641
2022	3.93990732991774