Year % of total employment (modeled ILO estimate) 1991 37.0443148295459 1992 35.9994347488165 1993 33.252249747002 1994 32.4892296135917 1995 34.2279147304526 1996 33.6508037157985 1997 33.3885411155938 1998 32.9655317360235 1999 31.6286330436655 2000 34.9923798278253 2001 33.7537689399515 2002 29.8006433273489 2003 30.699502525986 2004 33.9538814639279 2005 34.0741776920399 2006 33.541077097558 2007 35.1279561119365 2008 35.267232306987 2009 31.4418290075154 2010 30.3175215459162 2011 32.4345008250688 2012 31.1033971201582 2013 30.273571795487 2014 30.1482369550359 2015 30.662206565821 2016 29.7227675142185 2017 29.9635071894474 2018 29.6487361347162 2019 28.7027048742492 2020 29.1425775563925 2021 29.0204363066418 2022 28.6218158832959