Year % of total labor force (modeled ILO estimate) 1991 8.55 1992 9.772 1993 10.346 1994 9.648 1995 8.694 1996 8.189 1997 7.072 1998 6.198 1999 6.042 2000 5.558 2001 4.696 2002 5.037 2003 4.807 2004 4.594 2005 4.751 2006 5.35 2007 5.262 2008 5.615 2009 7.537 2010 7.787 2011 8.038 2012 7.885 2013 7.525 2014 6.11 2015 5.301 2016 4.81 2017 4.33 2018 3.996 2019 3.737 2020 4.472 2021 4.826 2022 3.73 2023 4.055