Year % of total employment (modeled ILO estimate) 1991 12.665453595791 1992 12.8887684912111 1993 13.3122377154922 1994 14.885977638455 1995 16.4205221836772 1996 18.2883614588935 1997 20.170943651626 1998 22.0755597138392 1999 23.9731414999184 2000 25.8235283653297 2001 27.5898191212959 2002 21.2364564716841 2003 15.1021843786878 2004 14.1345342246154 2005 13.2054394487147 2006 12.3259899002138 2007 11.4913870096257 2008 10.8620423141412 2009 10.0860886643711 2010 9.32183120176971 2011 10.132553381552 2012 10.9930241529404 2013 10.8056416278299 2014 10.7039151321537 2015 10.5853856805832 2016 10.7127392444003 2017 10.8009090820865 2018 10.8362918654907 2019 10.9732342642658 2020 10.8388382034972 2021 11.0086333843523 2022 11.2458239027228