Year % of total employment (modeled ILO estimate) 1991 33.940617297627 1992 33.5488631819686 1993 33.1680630654247 1994 32.734218845894404 1995 32.2038163251889 1996 31.612521584390098 1997 30.99286401719161 1998 30.899380651969913 1999 30.530632766748703 2000 29.93817946570211 2001 29.51505292133353 2002 28.862424922783376 2003 27.832662797973832 2004 27.257249216351628 2005 26.78665029382559 2006 26.11536368723105 2007 25.500758485398528 2008 24.94408533745419 2009 23.71486860551172 2010 22.83455283976881 2011 22.22219164782704 2012 21.9007482001712 2013 21.28004262995116 2014 20.532932275920352 2015 19.714361283638528 2016 19.51266622115411 2017 19.24129307876741 2018 18.965561421897192 2019 18.96890227920992 2020 19.32804884355435 2021 19.11351858986322 2022 18.591063524554322