Year % (modeled ILO estimate) 1991 50.56445857393109 1992 52.61414753909275 1993 55.02867511259437 1994 55.34187683573175 1995 55.669143436559786 1996 55.421234664578435 1997 56.20225008864962 1998 56.151210524614534 1999 61.03503826016915 2000 59.39263363086078 2001 60.90566167731711 2002 62.45293168370092 2003 63.44947915766925 2004 62.09325039839614 2005 63.62974378079964 2006 65.76090726225983 2007 65.70008873114462 2008 66.37548173976876 2009 66.4008222776329 2010 66.47295572788848 2011 67.5453485756355 2012 66.88928374486856 2013 66.23493177228873 2014 65.58636002525921 2015 64.93683503875339 2016 64.16222329940217 2017 63.03827991560333 2018 61.902605202528406 2019 60.97981480764015 2020 60.90584725769658 2021 61.01026661982277 2022 60.53190682145838 2023 60.97416946053033