Year % (modeled ILO estimate) 1991 38.54218011217913 1992 38.098206790113075 1993 37.464957852276804 1994 37.30473014873796 1995 37.48262449078807 1996 37.76366828771113 1997 38.020015724829854 1998 38.58428083893305 1999 39.52167623879864 2000 40.348991749555545 2001 41.05617389894494 2002 41.563938254 2003 42.14619132534486 2004 42.327206749540615 2005 42.96408428954074 2006 43.780964252100695 2007 44.649697728349636 2008 45.186378601107165 2009 44.75021519687208 2010 44.59595036804675 2011 44.735675673364256 2012 44.57296463001647 2013 44.465153712472535 2014 44.66735873118971 2015 45.03250773353314 2016 45.711194268710365 2017 46.299364592692896 2018 46.85154218726817 2019 47.437780978090075 2020 46.495951183350265 2021 47.21084897738765 2022 48.224123040530294 2023 48.714771806576245