Year	% of total employment (modeled ILO estimate)
1991	27.18580346328051
1992	27.842741346297995
1993	28.993871614826244
1994	30.232230990071535
1995	31.62448285167346
1996	32.56834859235711
1997	32.97972924326227
1998	33.35992509475889
1999	33.45712230752354
2000	33.953448444890675
2001	34.44003198148408
2002	35.30986231078498
2003	35.98281434148826
2004	37.060346693738175
2005	37.76635060155706
2006	38.60133858798117
2007	39.078665872353476
2008	39.833967241842586
2009	40.77946571385957
2010	41.31154666479551
2011	42.16694522237711
2012	42.56417404802262
2013	44.34445320122804
2014	46.02816091062881
2015	47.41824315467616
2016	47.897984890609706
2017	48.31811965685045
2018	48.80870317471597
2019	49.40619055805028
2020	49.64489135709646
2021	49.68624589990373
2022	50.2916866127475