Year % of total employment (modeled ILO estimate) 1991 33.173922756452 1992 33.0470271523021 1993 35.4542215090563 1994 36.3650400613123 1995 36.913344072148 1996 39.2265674367824 1997 42.690019473751 1998 46.5783971503636 1999 46.5134475326077 2000 48.1117439440497 2001 49.2247525895861 2002 48.2866107118537 2003 48.9016397181469 2004 48.5573903433801 2005 48.6052746208874 2006 48.0995606100553 2007 48.8253931740768 2008 48.2766254485386 2009 49.206116624225 2010 48.0532463315311 2011 48.0426801207101 2012 48.0596877612679 2013 48.5244382317325 2014 48.9422878601614 2015 49.5804473981865 2016 49.3350614247317 2017 49.3553165089304 2018 49.434201481165 2019 49.6879831504148 2020 49.3153440074552 2021 48.9304369570636 2022 49.4607321222346