Year % of total employment (modeled ILO estimate) 1991 4.29938075839115 1992 4.36081861973398 1993 4.42432804418871 1994 4.46390462874384 1995 4.53450239516503 1996 4.63751125137517 1997 4.73201546617513 1998 4.83618370734195 1999 4.99269257762092 2000 5.13330913148668 2001 5.28315584531908 2002 5.33689937785532 2003 5.49243519535924 2004 5.64313634128032 2005 5.70116461689353 2006 5.73006579590241 2007 5.81480142050002 2008 5.97531888021973 2009 6.1021179739143 2010 6.23784817523418 2011 6.18238823047501 2012 6.2966513901926 2013 6.37395512538495 2014 6.41809439761419 2015 6.58484447482077 2016 6.71652991795077 2017 6.78672526027862 2018 6.88721621796081 2019 7.03272376931931 2020 7.21614392212909 2021 7.45287938958962 2022 7.50779587521246