Year % (modeled ILO estimate) 1991 52.0514405248645 1992 53.658068616517376 1993 55.315132152192845 1994 57.022269456762075 1995 58.78485883789485 1996 58.91653871045518 1997 59.66453071993969 1998 60.98002023267577 1999 62.68210872729574 2000 64.55636530425033 2001 66.46188179766058 2002 68.2784829562903 2003 68.78577032397463 2004 69.85209151837302 2005 71.23326286116983 2006 71.1852843498185 2007 71.4137537599834 2008 70.97355925166714 2009 71.72079483280699 2010 70.66373545363594 2011 69.59665906149515 2012 69.1487396067045 2013 69.2046415732713 2014 69.4504939976628 2015 70.39705432745352 2016 70.83122553848612 2017 72.28704706149672 2018 72.85494137353434 2019 73.78718734526184 2020 70.73431994362227 2021 71.86684252466134 2022 72.9896542817135 2023 72.80288290263353