Year % of total employment (modeled ILO estimate) 1991 26.3030340769339 1992 26.4703273887413 1993 27.2267453472782 1994 26.0574450931713 1995 26.0600596826819 1996 26.5910406330777 1997 27.2954591507454 1998 25.5210026195202 1999 23.4227975388597 2000 23.3935607444972 2001 23.9241554701134 2002 23.857389467157 2003 23.3947686734631 2004 23.2568951887366 2005 23.1627930197054 2006 23.1153610684607 2007 23.1091556108626 2008 23.1306232226178 2009 22.9252013305001 2010 22.937685216006 2011 23.3403653396878 2012 23.8002346199156 2013 24.2276017737365 2014 23.8293791287924 2015 23.7132081916333 2016 23.2111889441562 2017 22.7187154400836 2018 22.3084284977573 2019 22.2246435592312 2020 21.9250643684171 2021 23.0031640513256 2022 22.8051234695683