Year % of total employment (modeled ILO estimate) 1991 3.3975442917578618 1992 3.3947195987267667 1993 3.431316794926287 1994 3.483002753879541 1995 3.4798433305596 1996 3.467024115103192 1997 3.5731875483182165 1998 3.515967285026398 1999 3.49610686562875 2000 3.4643566911639834 2001 3.443907633926801 2002 3.4663484145536896 2003 3.497750520373441 2004 3.5408384152828636 2005 3.4852509959034363 2006 3.4864842514425938 2007 3.423328103994451 2008 3.4036583809836616 2009 3.388735150679667 2010 3.361312984923394 2011 3.265073925875822 2012 3.199896818443326 2013 3.174257015728988 2014 3.1287486604092622 2015 3.1109580441672153 2016 3.078483639190973 2017 3.0559403357110027 2018 3.03291630163978 2019 3.0138991326075537 2020 2.9480919249930135 2021 3.003411224660414 2022 3.002261059243347