Year % of total labor force (modeled ILO estimate) 1991 16.468 1992 16.621 1993 17.074 1994 17.105 1995 16.711 1996 16.013 1997 15.928 1998 16.148 1999 16.392 2000 16.502 2001 16.539 2002 16.342 2003 16.37 2004 16.267 2005 16.268 2006 16.121 2007 16.08 2008 16.17 2009 16.392 2010 16.598 2011 16.77 2012 16.557 2013 16.487 2014 16.401 2015 16.491 2016 16.58 2017 16.617 2018 16.599 2019 16.497 2020 16.676 2021 15.799 2022 14.693 2023 14.62