Year % (modeled ILO estimate) 1991 20.099541469032168 1992 20.027495688649143 1993 20.020179214066474 1994 20.07139279890137 1995 19.89158322037957 1996 20.066492077354763 1997 20.23061248506542 1998 20.328542224736527 1999 20.00844636235816 2000 19.719028148155186 2001 19.752153610389094 2002 19.797163476938422 2003 19.650769055190782 2004 19.373446682172798 2005 19.08481055580712 2006 18.63147222469017 2007 18.073992828198417 2008 17.582416424334827 2009 17.189446091004765 2010 16.877127213852766 2011 16.139752882950624 2012 15.46217485310517 2013 15.098318365375476 2014 14.757786645553397 2015 14.268404287020351 2016 13.812740349279991 2017 13.407458497392414 2018 12.746068242146388 2019 12.774216977818629 2020 12.080091016442623 2021 12.435153645220224 2022 12.926256986172623 2023 14.541739157831719