Year % of total employment (modeled ILO estimate) 1991 25.938740780736413 1992 25.904424723039384 1993 25.79845416371214 1994 25.828226816659818 1995 25.918739642705077 1996 25.873193323916738 1997 25.80471885996725 1998 25.685283833015106 1999 25.56763686961161 2000 25.564187582212586 2001 25.396852909355722 2002 24.913869434617723 2003 24.480933397852183 2004 24.325230998386328 2005 24.117903752981842 2006 23.67146315775855 2007 23.291237118610226 2008 22.859885829197335 2009 22.388045240269296 2010 22.225002912136535 2011 21.75494476611531 2012 20.715424698467398 2013 19.9659225177778 2014 19.570787739982553 2015 18.994132941608513 2016 18.71119319943928 2017 19.151774435624734 2018 18.834844288440326 2019 18.33427415390429 2020 18.33066721373369 2021 17.89967001364665 2022 17.522408738969947