Year % (modeled ILO estimate) 1991 55.61197466088123 1992 54.882701520558 1993 53.49396186660292 1994 52.63244830840181 1995 52.205312046192056 1996 51.75557620437097 1997 51.311468755859124 1998 51.09453815379921 1999 51.68150295849716 2000 51.99532777516272 2001 52.052005998765125 2002 52.00469680658088 2003 51.90796836187329 2004 51.811427003733726 2005 52.15791855663611 2006 52.61830785811525 2007 53.34727282121925 2008 53.64695606898769 2009 52.62589631501835 2010 52.617618601323436 2011 52.884889351700004 2012 52.87894830802339 2013 52.793770827028034 2014 52.984584430518346 2015 53.23304646136338 2016 53.705332745413024 2017 54.12976957527192 2018 54.54143288726091 2019 54.662114589333584 2020 53.50899997225818 2021 54.04964787734935 2022 55.29337304769287 2023 55.43383628668904