Year	% of total employment (modeled ILO estimate)
1991	4.457684795537199
1992	4.467730899569203
1993	4.422050360613887
1994	4.501324531649322
1995	4.463172279094709
1996	4.418958842331934
1997	4.434627781855191
1998	4.382867318906907
1999	4.2918756503260465
2000	4.170251332226273
2001	4.202161879222279
2002	3.8495634466829673
2003	3.7293074843011804
2004	3.3269328272781165
2005	3.127251276296113
2006	2.908887966313045
2007	2.7653043233679138
2008	2.6945248088871785
2009	2.76179926543251
2010	2.7942451095674
2011	2.805171868339586
2012	2.7479650142182614
2013	2.6767168309355975
2014	2.616269582065985
2015	2.4776059301177087
2016	2.373123888768994
2017	2.2872007063223116
2018	2.1965616625812148
2019	2.123699720954709
2020	2.0238460136171135
2021	2.0061723205681243
2022	2.0613290536545112