Year % of total labor force (modeled ILO estimate) 1991 1.9 1992 3.7 1993 3.7 1994 5.8 1995 5.3 1996 7.9 1997 7.9 1998 10 1999 11.14 2000 8.539 2001 7.366 2002 6.845 2003 6.378 2004 6.374 2005 5.633 2006 4.26 2007 2.749 2008 2.097 2009 3.024 2010 2.972 2011 2.677 2012 2.19 2013 1.894 2014 1.451 2015 1.781 2016 1.591 2017 1.622 2018 1.239 2019 1.502 2020 1.206 2021 0.794 2022 0.909 2023 1.623