Year	% of total employment (modeled ILO estimate)
1991	1.44151102030042
1992	1.45156674439007
1993	1.46172503766859
1994	1.47013597010335
1995	1.47971225461792
1996	1.49521531100478
1997	1.5124016938899
1998	1.54986161949826
1999	1.58967571144937
2000	1.62903874045468
2001	1.66783540676484
2002	1.70031607890837
2003	1.74348314845059
2004	1.7861874340221
2005	1.81861509325106
2006	1.8577576349764
2007	1.8933750496623
2008	1.93638183919647
2009	1.9738105910226
2010	2.01020620622194
2011	2.0474947868285
2012	2.08143736995737
2013	2.11943976426753
2014	2.15486594983647
2015	2.19563380079932
2016	2.22917040777164
2017	2.24355295877024
2018	2.24568223888234
2019	2.24254882504936
2020	2.25126936957531
2021	2.2434120685226
2022	2.23352226720648