Year	% of total employment (modeled ILO estimate)
1991	40.1792571213833
1992	40.2469334588437
1993	40.2812331687894
1994	40.6651277429918
1995	40.6576455565698
1996	40.9648935564757
1997	41.2114298652159
1998	41.8830887685975
1999	40.2072530323024
2000	40.2986836005673
2001	40.5962311796765
2002	40.8443485576375
2003	40.9866776478604
2004	39.5938033253554
2005	39.7516012378984
2006	45.5228449762659
2007	46.5676219212166
2008	45.473769932091
2009	45.3407518767916
2010	46.1928186153791
2011	45.6867303596711
2012	46.2878131610008
2013	46.18556755351
2014	46.2962995905786
2015	47.3723242640125
2016	48.2447840005922
2017	49.3331785906418
2018	50.3821000548936
2019	51.4373725043625
2020	50.8644620129496
2021	51.3239541937226
2022	51.8490206963044