Year	% of total employment (modeled ILO estimate)
1991	5.04970248765574
1992	5.1036353070317
1993	5.16177752201855
1994	5.20847183968088
1995	5.25875244255326
1996	5.31590289387466
1997	5.37331194245619
1998	5.43756743601013
1999	5.50865468771633
2000	5.58664157722218
2001	5.66537120168701
2002	5.74123853967298
2003	5.81572611980217
2004	5.88643136646025
2005	5.95270455695313
2006	6.01377886521167
2007	6.04752020050113
2008	6.10201856355952
2009	6.1504246753824
2010	6.19178504017381
2011	6.22676486123681
2012	6.24314095246087
2013	6.25290308770803
2014	6.25800583013186
2015	6.27027753043184
2016	6.27655876040443
2017	6.26615362880104
2018	6.24978778840672
2019	6.22811509198773
2020	6.19266045328931
2021	6.15536589967989
2022	6.10377996669747