Year % of total employment (modeled ILO estimate) 1991 33.33567759038794 1992 33.52324651573889 1993 33.81998850346475 1994 34.15968049999669 1995 34.445738926688314 1996 34.824623877436395 1997 35.281168353151905 1998 35.42035811654262 1999 35.64291612413174 2000 35.947993642657025 2001 36.4790442152579 2002 36.90153926366166 2003 37.282094080914376 2004 37.988307695439 2005 38.74775460275736 2006 39.284373816890984 2007 39.828917208967205 2008 40.348334388497165 2009 40.70540880105012 2010 41.197720578952456 2011 41.976200435088195 2012 42.91056849232938 2013 43.497432984503796 2014 44.147761281463524 2015 44.745376340293724 2016 45.708076034734866 2017 45.607010026141666 2018 46.05477974483583 2019 46.26778617113305 2020 45.22983375434682 2021 45.46751134684116 2022 45.33527294567979