Year	% of total employment (modeled ILO estimate)
1991	36.6475150078582
1992	35.4992161323046
1993	34.631886004064
1994	33.830424078961
1995	25.7544072978134
1996	19.7067300952141
1997	20.2701838675204
1998	21.0675854194465
1999	21.5063754775892
2000	22.1036795217212
2001	22.9873752691908
2002	23.8109576101075
2003	24.7665329377323
2004	25.6727512670296
2005	26.4286282868843
2006	27.1333508728125
2007	27.7748328815475
2008	28.8231192212866
2009	30.3594480415051
2010	30.3160776280128
2011	30.1806043219491
2012	30.8086859492165
2013	30.8266735270279
2014	30.4616786869508
2015	30.9975818907562
2016	30.6587672196878
2017	30.8058508516495
2018	30.8383359929752
2019	30.9947761018425
2020	31.2573889697102
2021	31.1228562359377
2022	30.9404638868818