Year % (modeled ILO estimate) 1991 71.911 1992 71.845 1993 71.765 1994 72.006 1995 72.259 1996 72.71 1997 72.773 1998 72.817 1999 72.816 2000 72.783 2001 72.742 2002 73.162 2003 73.632 2004 74.125 2005 74.486 2006 74.932 2007 75.375 2008 72.769 2009 69.978 2010 67.039 2011 66.347 2012 65.677 2013 64.994 2014 64.302 2015 64.344 2016 64.358 2017 64.346 2018 64.35 2019 64.373 2020 63.571 2021 63.589 2022 64.272 2023 64.441