Year % of total labor force (modeled ILO estimate) 1991 8.31 1992 8.786 1993 9.28 1994 8.811 1995 8.27 1996 7.61 1997 7.1 1998 6.23 1999 6.26 2000 5.45 2001 4.08 2002 3.31 2003 2.33 2004 1.854 2005 1.95 2006 1.913 2007 1.788 2008 1.583 2009 1.67 2010 2.5 2011 3.18 2012 3.46 2013 3.29 2014 2.7 2015 2.4 2016 2 2017 1.7 2018 1.7 2019 1.2 2020 1.4 2021 1.373 2022 1.254 2023 1.163