Year % of total employment (modeled ILO estimate) 1991 2.25529326666795 1992 2.28964503823859 1993 2.35233906202223 1994 2.40379993567873 1995 2.46046157325949 1996 2.98953275266167 1997 2.59887277952327 1998 2.93851273476102 1999 2.28792996649589 2000 2.97544567131376 2001 3.2790364862794 2002 3.02436342139308 2003 3.37406760056731 2004 3.5542862941084 2005 3.35480724968613 2006 3.86262097272792 2007 3.43990312071785 2008 3.48418717823974 2009 3.66509001631641 2010 3.79478338385682 2011 3.61170622225285 2012 3.71436183861894 2013 3.86770830068538 2014 3.69244475770253 2015 4.04188317480935 2016 3.43410848889564 2017 3.41197634468151 2018 3.36590439056287 2019 3.29704927765746 2020 3.27630479571197 2021 3.24112225114681 2022 3.20409042873962