Year % of total employment (modeled ILO estimate) 1991 42.836875592632566 1992 43.55496132395959 1993 44.50910099651424 1994 44.877274008445625 1995 45.31378417543156 1996 45.73287436884113 1997 46.341861849474746 1998 47.0115073009646 1999 47.47858380755703 2000 47.69368263915617 2001 48.48105499554028 2002 49.20120980134514 2003 49.432809811366226 2004 48.993565291329126 2005 49.2068581288171 2006 49.40159254552496 2007 49.35004041372875 2008 49.53225526121955 2009 50.10778296400423 2010 50.52371995212345 2011 51.42436889525725 2012 51.831123211514836 2013 51.944763405542695 2014 52.39908661178123 2015 53.27018798308747 2016 53.6406424171516 2017 53.48950729513155 2018 54.46879762671852 2019 54.32877431064638 2020 54.25843911378355 2021 54.821369364022395 2022 55.25008975863737