Year	Percent of total labor force
1995	14.8
1996	10
1997	9.8
1998	11.3
1999	11.9
2000	11.483
2001	10.789
2002	9.629
2003	9.057
2004	8.588
2005	7.185
2006	6.81
2007	6.351
2008	6.363
2009	8.843
2010	8.097
2011	7.856
2012	7.529
2013	7.172
2014	9.275
2015	9.143
2016	9.45
2017	9.65
2018	9.028
2019	8.523
2020	8.06
2021	7.606
2022	7.156
2023	6.707
2024	6.26