Year	% of total employment (modeled ILO estimate)
1991	23.1317894794922
1992	23.021491940349
1993	22.7514377522308
1994	22.7901286957223
1995	22.6372355497356
1996	22.7102319546855
1997	22.6938924750966
1998	22.9920700331817
1999	23.7841003741314
2000	23.9749199850123
2001	24.0108483801605
2002	23.7037886246626
2003	23.9994500129665
2004	24.5505708797878
2005	25.506776578268
2006	26.1395932377807
2007	27.1869749544138
2008	27.8699937204648
2009	27.5738513517278
2010	28.0788915702807
2011	28.1018662499241
2012	31.0320550826153
2013	33.8185478317955
2014	36.6660974009409
2015	36.3326054501348
2016	36.0541089322192
2017	35.7969681279223
2018	35.5154523487121
2019	34.833671292494
2020	34.6666960474458
2021	34.8836333614345
2022	35.2093600990532