Year % of total employment (modeled ILO estimate) 1991 53.64353301738604 1992 53.623243259104285 1993 54.182686762437825 1994 55.09227417398594 1995 55.705399653052666 1996 56.463974973023966 1997 56.39608077912953 1998 57.16956892617365 1999 57.07068503508795 2000 57.6051987071191 2001 57.96349468612934 2002 58.01864545451708 2003 58.683659214201235 2004 58.75376216169981 2005 59.13216170170497 2006 59.83700499598765 2007 60.3689398307226 2008 60.858818570415465 2009 61.517859235847 2010 61.91079451923484 2011 62.26037694890372 2012 62.59920383435572 2013 62.90977654103143 2014 63.05270516346307 2015 63.367129849519856 2016 63.84083032269177 2017 64.06805972821309 2018 64.28813087574675 2019 64.85042973190056 2020 64.14783882653653 2021 64.19644367474507 2022 64.99460342527867