Year % of male labor force (modeled ILO estimate) 1991 3.728 1992 3.803 1993 3.901 1994 3.996 1995 4.093 1996 4.18 1997 4.294 1998 4.41 1999 4.507 2000 4.588 2001 4.673 2002 4.775 2003 4.881 2004 4.998 2005 5.121 2006 5.222 2007 5.332 2008 5.451 2009 5.591 2010 5.689 2011 5.77 2012 5.864 2013 5.998 2014 6.141 2015 7.044 2016 7.944 2017 8.813 2018 7.705 2019 5.709 2020 6.391 2021 3.845 2022 4.679 2023 4.753