Year % of total employment (modeled ILO estimate) 1991 23.2601403265568 1992 23.2784381746024 1993 23.2791079797974 1994 23.212304069468 1995 23.1592713204027 1996 23.1433841914012 1997 23.1441798977341 1998 23.2147223942101 1999 23.3555784183267 2000 23.569268852467 2001 23.8524563115492 2002 23.8577561468353 2003 24.0387203252792 2004 24.3088452279258 2005 24.3124494179007 2006 24.1195319370705 2007 24.1032451350641 2008 24.1382720933683 2009 24.2316228148143 2010 24.513838471482 2011 24.2395593341618 2012 24.2266807886208 2013 24.1828580570332 2014 24.029055675336 2015 24.058196518679 2016 24.0670791363707 2017 24.1354084943067 2018 24.3144109446175 2019 24.5738996775059 2020 24.5582100506006 2021 24.7885714152967 2022 25.1225703413233