Year	% of total labor force (modeled ILO estimate)
1991	3.741
1992	3.705
1993	3.92
1994	3.959
1995	4.041
1996	3.944
1997	3.873
1998	3.836
1999	3.898
2000	3.87
2001	3.827
2002	3.618
2003	3.594
2004	3.556
2005	3.69
2006	3.718
2007	3.767
2008	3.771
2009	3.751
2010	3.739
2011	3.77
2012	3.76
2013	3.711
2014	3.903
2015	4.137
2016	4.498
2017	4.826
2018	5.065
2019	5.206
2020	5.712
2021	5.393
2022	3.827
2023	3.074