Year % of total employment (modeled ILO estimate) 1991 23.4213361531479 1992 24.4777345770522 1993 25.5819860303815 1994 25.1947189662657 1995 25.0118002140659 1996 23.803120878368 1997 23.3332371514782 1998 22.2340170803735 1999 22.8117779650756 2000 22.5987468124958 2001 22.9743489832228 2002 21.9807109179498 2003 21.3247900553451 2004 20.5571223021583 2005 20.2355647043206 2006 20.1887096374495 2007 20.4920369280565 2008 20.5753753085268 2009 20.983912227498 2010 21.5124159036411 2011 21.8372772708853 2012 20.2424266036899 2013 21.5356378549698 2014 21.5290602264448 2015 22.2304743052195 2016 23.5503502978946 2017 23.776310798391 2018 23.9709756834967 2019 24.3172153001032 2020 25.6189090322401 2021 24.5850474578235 2022 24.5166356176194