Year % of total employment (modeled ILO estimate) 1991 38.1697211231419 1992 38.4682152880699 1993 39.1077040008471 1994 39.7139096865487 1995 39.8949707492886 1996 40.1670477569236 1997 40.1402350701616 1998 39.6794192207281 1999 39.3839028866417 2000 38.8445825425059 2001 38.6588534693534 2002 38.4431083528106 2003 38.2407319941237 2004 37.2255928323488 2005 36.5831441225376 2006 35.6955346811411 2007 34.7111838929067 2008 33.8274554376237 2009 32.140244483884 2010 32.4429423930536 2011 30.110403111038 2012 30.3928998643235 2013 32.4417713031512 2014 31.7108588420629 2015 30.1592481924047 2016 31.4231323629225 2017 29.7737657751476 2018 28.2577201602306 2019 27.6994949058525 2020 26.989451657807 2021 27.3637684532038 2022 26.9361899767773