Year % (modeled ILO estimate) 1991 50.00891667628269 1992 49.69952301905822 1993 49.95540632705524 1994 49.95074924028083 1995 50.02927829014785 1996 49.93058817389488 1997 48.3563696570225 1998 47.89067017082785 1999 47.991240630000846 2000 47.878417402668575 2001 48.492700499273205 2002 48.732925006840524 2003 49.315672362399766 2004 48.916181178816984 2005 49.8464999894863 2006 51.0440442979119 2007 52.31515740956086 2008 51.76986958855663 2009 51.2734689608284 2010 52.967826794997606 2011 54.813390328278345 2012 55.37449403298853 2013 55.784838723172825 2014 57.28574866338136 2015 58.86445430197522 2016 59.586804538033235 2017 60.2760944875297 2018 61.02522290863098 2019 61.62978727843678 2020 62.201947484499186 2021 63.843750326565164 2022 66.22066629961667 2023 66.40674350450982