Year % of total employment (modeled ILO estimate) 1991 54.27181569051997 1992 54.30273986119679 1993 54.89046426570468 1994 55.77730516823293 1995 56.383586177007686 1996 57.130657894490966 1997 57.13832964551748 1998 57.89191368745026 1999 57.91609931103842 2000 58.386336865411735 2001 58.789911165412725 2002 58.89890286613396 2003 59.51398463669354 2004 59.598141110120636 2005 59.97565709731335 2006 60.593512537580104 2007 61.072290632613324 2008 61.5402933500155 2009 62.170819520570596 2010 62.565255820117606 2011 62.934788743251325 2012 63.275289702286635 2013 63.55401273987258 2014 63.733721435221774 2015 64.07442188299194 2016 64.54238361386311 2017 64.71242199481141 2018 64.87915671939268 2019 65.3552298832825 2020 64.77537808737787 2021 64.78259270894297 2022 65.54834761495479