Year % (modeled ILO estimate) 1991 26.528301923257548 1992 27.049491606288242 1993 26.826339041299885 1994 27.374681027146483 1995 27.347800244997924 1996 27.44956324392519 1997 27.42023894873465 1998 27.487044050561234 1999 28.04104256781165 2000 28.401029761981277 2001 28.668957336018718 2002 28.049250272778 2003 28.35492082042288 2004 28.618774153144912 2005 28.9447407179112 2006 29.435987089917464 2007 30.42332482803416 2008 30.042052682678392 2009 30.522664422574117 2010 30.50469875351592 2011 30.661071961665733 2012 30.91451479553429 2013 31.330095836097346 2014 31.673005386995982 2015 32.48524832480755 2016 33.042982098745746 2017 32.42408688074288 2018 31.261438288946486 2019 30.81927631354928 2020 31.304082474025208 2021 31.74474508557852 2022 31.404770363761557 2023 31.664309864099565