Year % of total employment (modeled ILO estimate) 1991 60.1953320055516 1992 59.9819047789513 1993 59.8729200054678 1994 59.8557572752364 1995 59.8917806549851 1996 60.0151862096471 1997 60.1866887017126 1998 60.2722201811425 1999 60.7590278823156 2000 61.4562917394376 2001 61.727381808589 2002 63.2934756127553 2003 64.9200729729737 2004 65.7940625997053 2005 66.6550860175624 2006 67.1296077407171 2007 67.3381151434328 2008 67.4075082698686 2009 67.1367102120729 2010 67.1012133835659 2011 67.0278202522028 2012 68.0091963131604 2013 68.9655146476081 2014 69.0557050627906 2015 68.928601589316 2016 69.0781948178444 2017 69.3188967414853 2018 69.4652378486021 2019 69.3438734567532 2020 68.6686241931078 2021 68.8045584275089 2022 68.9783477222933