Year % of total employment (modeled ILO estimate) 1991 29.9462944666783 1992 29.6848704458966 1993 29.5237776216089 1994 29.6220366887516 1995 29.8104539294308 1996 29.986658601059 1997 30.1029413917467 1998 30.2235283450582 1999 30.3085919492937 2000 30.3651498439223 2001 30.443846087032 2002 30.6094740569659 2003 30.8200098701991 2004 30.9545822167783 2005 31.1573061310436 2006 31.3039142900632 2007 31.4720032124296 2008 31.6090837081562 2009 31.5139870262815 2010 31.5928389061964 2011 31.6966423235511 2012 31.8683642691868 2013 32.0333158306791 2014 32.1955738564951 2015 32.3970007514109 2016 32.523930787653 2017 32.7177146695952 2018 32.8828375708684 2019 35.2462767251616 2020 34.6359239425969 2021 33.0089459137156 2022 33.5448793467907