Year % of total employment (modeled ILO estimate) 1991 45.8309154826774 1992 46.8709864751761 1993 47.6346509540909 1994 48.5195441145634 1995 49.2633791301972 1996 50.0497641271921 1997 50.8212108812139 1998 51.3746524314439 1999 52.9410538643364 2000 53.9816971919148 2001 55.7897851014611 2002 53.9894456284803 2003 54.051349708712 2004 55.5121684738037 2005 56.6690761991479 2006 56.596586906344 2007 58.1260537528206 2008 61.4187230005305 2009 64.1671137534086 2010 66.6100351115642 2011 66.9558122960351 2012 66.1199082886578 2013 66.0521574220149 2014 66.1103314646622 2015 65.8584009055089 2016 66.8870603875438 2017 67.0821207953198 2018 67.0501158697306 2019 67.8640973558676 2020 68.9456400581785 2021 68.4362861796767 2022 68.797939863177