Year % of total employment (modeled ILO estimate) 1991 16.3668487431391 1992 14.0287173464817 1993 13.4806327653383 1994 12.5560521640694 1995 11.7707556338074 1996 11.1404205054089 1997 10.7711882954599 1998 12.0234734250695 1999 11.3438142619212 2000 10.9655996326954 2001 10.407916267602 2002 9.70368471913682 2003 9.07843870257803 2004 8.30692286182102 2005 7.86258347004024 2006 7.55177985519476 2007 7.23725218973328 2008 7.06383084042702 2009 6.92359523382044 2010 6.50802185845983 2011 6.26667077262793 2012 6.04720111657993 2013 5.89339200755227 2014 5.50127710190153 2015 5.23276443133353 2016 4.93914091700159 2017 4.92342676235185 2018 4.9965217381176 2019 5.14299066441042 2020 5.37120714777046 2021 5.34699826834016 2022 5.43180270584869