Year % of total employment (modeled ILO estimate) 1991 14.9363280398775 1992 14.937965268531 1993 14.9313201613802 1994 14.9549923553046 1995 14.9947575901675 1996 15.0232504294516 1997 15.0675420930804 1998 15.1090620575462 1999 15.1752185072003 2000 15.3035145478524 2001 15.3085480290745 2002 15.3790456315034 2003 15.4404163848657 2004 15.5872592510594 2005 15.7067251249177 2006 15.8866472225995 2007 16.04475401868 2008 16.1884440396095 2009 16.3682193260335 2010 16.5749493696106 2011 17.7291392867006 2012 18.9452742747009 2013 19.9928702562825 2014 21.0936545512429 2015 22.2754001610417 2016 23.4833602836589 2017 23.4595813517375 2018 25.5361710170592 2019 25.8700961521575 2020 22.7981663540112 2021 23.3458976761685 2022 23.1303596387674