Year % of total labor force (modeled ILO estimate) 1991 1.639 1992 1.51 1993 1.494 1994 1.455 1995 1.307 1996 1.25 1997 1.102 1998 1.051 1999 0.951 2000 0.865 2001 0.766 2002 0.69 2003 0.747 2004 0.79 2005 0.86 2006 0.888 2007 0.902 2008 0.892 2009 0.947 2010 1.04 2011 2.647 2012 2.415 2013 2.113 2014 1.892 2015 1.855 2016 1.835 2017 1.722 2018 1.473 2019 1.402 2020 1.565 2021 1.694 2022 1.473 2023 1.452