Year % of total employment (modeled ILO estimate) 1991 24.2935681163378 1992 24.0513981171816 1993 22.8118398602535 1994 22.8538403428499 1995 23.4232169032638 1996 23.2882720107934 1997 23.1066658423159 1998 22.7316458642142 1999 22.9345082171391 2000 22.9722789230669 2001 20.2067786980968 2002 20.2067836633096 2003 20.2067714541801 2004 19.3889014665398 2005 19.1127573746454 2006 18.1340108549912 2007 18.0311007037266 2008 18.0833388567181 2009 17.570570564045 2010 17.0823656401472 2011 17.1413747457669 2012 19.1872984217133 2013 17.205418278603 2014 16.8872892023111 2015 16.8476447043501 2016 16.8820542194612 2017 16.8430316066573 2018 16.8495662635875 2019 16.7021869445321 2020 16.4565865406388 2021 16.5878900722425 2022 16.5836915659659