Year % (modeled ILO estimate) 1991 52.2158254117017 1992 54.01027207107162 1993 56.632311044075756 1994 57.81604239398027 1995 58.764339743768666 1996 60.78379433415124 1997 62.087599149846504 1998 63.814556222662944 1999 65.5906924436352 2000 66.45393270353466 2001 67.01336106888552 2002 69.16109553590684 2003 69.86683935726717 2004 69.84845635059247 2005 71.90931259474067 2006 72.36420681090266 2007 74.5774915236487 2008 75.55274878681114 2009 77.65000553525961 2010 78.73765515668865 2011 79.43348507840162 2012 79.65386852821408 2013 80.2177068214804 2014 79.79343104925987 2015 79.4234333371945 2016 80.54126885241152 2017 81.19310224089637 2018 81.79894025428057 2019 81.9376265458624 2020 81.787951664143 2021 83.91621578496932 2022 84.23322457086113 2023 85.04623776581387