Year % of total employment (modeled ILO estimate) 1991 23.560055403138232 1992 23.324331507005574 1993 22.9821851528393 1994 22.5397016549075 1995 22.291649235838346 1996 21.365781070332872 1997 21.55148733413613 1998 21.297636785236733 1999 21.40268843314928 2000 21.248148377288153 2001 20.78333112436462 2002 18.807216332255663 2003 18.108594333055173 2004 16.554494650616867 2005 16.00675968955402 2006 14.85971220863162 2007 13.939694740682837 2008 13.197224928887856 2009 13.118621656291047 2010 13.452284800085792 2011 12.994493996292855 2012 12.892154473314703 2013 12.460581913338554 2014 12.001484434485867 2015 11.39960628777069 2016 10.366618687186621 2017 10.143853967187514 2018 9.692674908105861 2019 9.26966698805355 2020 9.26095972791038 2021 8.245119293924242 2022 8.04450237059757