Year % of total employment (modeled ILO estimate) 1991 50.43940977573465 1992 49.699950265250266 1993 48.120634128467415 1994 46.75101701805878 1995 45.18078165501314 1996 43.94003707237154 1997 43.40919271539555 1998 43.40639282728938 1999 43.72443057132133 2000 43.552319949785236 2001 43.12282619836917 2002 42.78658321977658 2003 41.95891468868703 2004 40.22772593613812 2005 38.57179386534396 2006 36.72756659664754 2007 35.106623465347425 2008 34.00565618836154 2009 32.850928593563005 2010 31.775035787467793 2011 30.491000250277388 2012 29.510400426317265 2013 27.836396283006067 2014 26.20730053195725 2015 25.222468900625543 2016 24.47738761560316 2017 23.782945843401382 2018 22.99737780820128 2019 22.06838154139709 2020 21.390585989773722 2021 20.873344430377134 2022 20.436570929556467