Year % of total employment (modeled ILO estimate) 1991 4.99655181733612 1992 5.09249897436025 1993 4.99101080391449 1994 5.05736934770332 1995 5.08973650962974 1996 5.1383520171621 1997 5.20852741576838 1998 5.34811503268542 1999 5.41420808947673 2000 5.45198347996656 2001 5.58103792421903 2002 5.72338585292541 2003 5.94899664093593 2004 6.4045200098029 2005 6.80304054093617 2006 7.24085574449452 2007 7.52002971117905 2008 7.75572370852974 2009 7.87297466097528 2010 8.11330370748269 2011 8.2544380697522 2012 8.41935509779502 2013 8.49541202807472 2014 8.65620220285084 2015 8.86040166860847 2016 8.84744662469931 2017 8.72689329814432 2018 8.87311993058846 2019 8.82536612434958 2020 8.78313886285813 2021 8.92405458412698 2022 9.11559587062336