Year % of total employment (modeled ILO estimate) 1991 39.61367760994441 1992 39.955813472246774 1993 40.514139409686074 1994 41.092226633273825 1995 41.66552193182082 1996 42.35553859534782 1997 42.9705171551741 1998 43.25740893150597 1999 43.7632442938151 2000 44.265795336968225 2001 45.06336738154195 2002 45.65185625653987 2003 46.179236395689536 2004 47.14498787153888 2005 48.08641734880861 2006 48.924043410397815 2007 49.74709338716944 2008 50.62632711385257 2009 51.189862605245786 2010 51.95900291107461 2011 52.77173839465252 2012 53.72376373937424 2013 54.35649161847027 2014 55.1373660310916 2015 55.59543887911256 2016 55.839578989316486 2017 56.0304969422817 2018 56.36401380104897 2019 56.74752650740291 2020 56.35973525871858 2021 56.45884975581605 2022 56.679079494541256