Year % (modeled ILO estimate) 1991 52.33018845555304 1992 52.28735171676774 1993 52.58152320265747 1994 53.695040070687185 1995 54.13025971763567 1996 54.49310112290644 1997 55.25964594158947 1998 55.61862376598939 1999 56.01182810010485 2000 56.34293750781551 2001 55.923465479240384 2002 55.344329951455926 2003 55.28854077938767 2004 55.22665067843067 2005 55.476287572735394 2006 55.85173018508365 2007 55.9393583629732 2008 55.64252295930586 2009 53.938675273031066 2010 53.170113655404194 2011 52.78537595141956 2012 52.88183320173298 2013 52.959451868469856 2014 53.29566304461789 2015 53.539482742302134 2016 53.85819052693213 2017 54.37495188239653 2018 54.7007203854967 2019 55.186428252802905 2020 51.34537139381784 2021 53.059409051603964 2022 54.36738857269084 2023 54.91563356183736