Year % of total employment (modeled ILO estimate) 1991 28.426379184007 1992 28.811164851774155 1993 29.154162202996876 1994 29.16083015316804 1995 29.107702255580534 1996 29.321918612448265 1997 29.31363110869389 1998 29.252015913687504 1999 29.48747508126266 2000 29.360386994008827 2001 29.265205185486344 2002 29.404550212457956 2003 29.47224486750583 2004 29.007459185624793 2005 28.740522098443655 2006 28.401811097171574 2007 28.11738289675315 2008 27.940979114501715 2009 28.226830516426034 2010 28.169231508598994 2011 28.25606916618064 2012 28.14050548664332 2013 28.106663851711247 2014 27.778690550792078 2015 27.605314488107627 2016 27.300097199141348 2017 27.025174941158447 2018 26.750320270580584 2019 26.737850703071565 2020 27.376545919818334 2021 27.0239355123152 2022 26.759989776832313