Year	% of total labor force (modeled ILO estimate)
1991	11.989
1992	12.271
1993	12.446
1994	12.247
1995	11.811
1996	11.699
1997	11.465
1998	11.247
1999	10.869
2000	10.469
2001	10.583
2002	10.817
2003	11.119
2004	10.772
2005	10.701
2006	10.169
2007	9.935
2008	10.008
2009	11.3
2010	11.501
2011	11.778
2012	11.84
2013	12.274
2014	12.36
2015	12.146
2016	12.247
2017	11.955
2018	12.137
2019	12.259
2020	14.836
2021	13.932
2022	12.669
2023	12.087
