Year % (modeled ILO estimate) 1991 75.471 1992 75.413 1993 75.489 1994 75.376 1995 75.041 1996 74.786 1997 74.605 1998 74.372 1999 74.142 2000 73.878 2001 71.993 2002 71.162 2003 69.971 2004 71.123 2005 69.717 2006 71.023 2007 71.2 2008 70.876 2009 68.951 2010 68.75 2011 69.228 2012 69.86 2013 69.539 2014 70.162 2015 71.757 2016 72.326 2017 72.545 2018 74.499 2019 74.524 2020 70.354 2021 72.103 2022 73.584 2023 73.27