Year % (modeled ILO estimate) 1991 72.703 1992 71.605 1993 71.472 1994 70.864 1995 70.019 1996 70.172 1997 70.634 1998 70.819 1999 71.217 2000 73.392 2001 74.664 2002 75.287 2003 74.87 2004 74.426 2005 74.087 2006 73.809 2007 73.566 2008 73.168 2009 73.144 2010 72.451 2011 71.914 2012 72.011 2013 71.71 2014 71.913 2015 72.069 2016 71.7 2017 71.388 2018 71.234 2019 71.402 2020 70.723 2021 70.116 2022 71.89 2023 71.957