Year % of total employment (modeled ILO estimate) 1991 33.225180513126205 1992 33.3859907730154 1993 33.4316812314709 1994 33.376797143161 1995 33.266169774756 1996 33.0651089917803 1997 32.8158485536895 1998 32.66608305047622 1999 32.13563599496159 2000 31.433581944205372 2001 31.19781293738324 2002 30.20749507085433 2003 29.11823591759622 2004 28.57917229314519 2005 28.048379738648627 2006 27.90621311901516 2007 28.0261604596661 2008 28.27481429452189 2009 28.856954184494143 2010 29.18280521320726 2011 29.53433022854713 2012 28.23005979473287 2013 26.92807213988469 2014 26.81969229979318 2015 26.90998101892967 2016 26.7630096958117 2017 26.54428868764767 2018 26.42154589464633 2019 26.58276946075041 2020 27.3055944199726 2021 27.211073311251248 2022 27.08518242634283