Year	% of total labor force (modeled ILO estimate)
1991	6.359372471179807
1992	6.463543690054033
1993	6.494489708165691
1994	6.432070418923383
1995	6.302201272906912
1996	6.237370311156056
1997	6.2123563114541955
1998	6.2425118276299
1999	6.354253459874268
2000	6.345937677382651
2001	6.258263164382606
2002	6.167660933769776
2003	6.100118775209621
2004	5.952859151751137
2005	5.843267396133789
2006	5.7544067172618565
2007	5.710555726421183
2008	5.7078635595488345
2009	5.790764223085034
2010	6.042482610156616
2011	5.956113777361327
2012	5.8413560334206505
2013	5.6641089081538585
2014	5.713426340206343
2015	5.887821304133793
2016	5.957170686936059
2017	6.044624469208499
2018	6.0175402017133575
2019	6.138556709568401
2020	6.566972842138062
2021	6.696819298753945
2022	6.078219169897397
2023	5.968144160543405