Year % (modeled ILO estimate) 1991 52.78887563367414 1992 53.696950882513796 1993 54.770917686159514 1994 55.926558763482845 1995 57.23217612521859 1996 57.60486078961599 1997 58.67367086590449 1998 59.3804097873089 1999 60.00648777971583 2000 60.50977216821488 2001 61.5834902288658 2002 62.45187781127631 2003 63.21894015382061 2004 64.2671534634177 2005 64.96644688325604 2006 65.37427812131796 2007 65.67702340002606 2008 65.65286783372767 2009 66.52519417939494 2010 66.20890041089494 2011 65.7612496716367 2012 66.12895260018497 2013 66.1804065866875 2014 66.02743912132 2015 66.5181508230436 2016 67.06750817196922 2017 67.64537290565762 2018 68.27368367633703 2019 68.99958555291633 2020 67.09095919977256 2021 68.15764965157051 2022 68.9184238497168 2023 69.1655698697648