Year % of total labor force (modeled ILO estimate) 1991 15.004077187573962 1992 15.487750256490454 1993 15.09275287135088 1994 14.714618714068667 1995 13.065807393589923 1996 12.920715326878415 1997 12.76098860029959 1998 12.335180272175638 1999 12.129609854220256 2000 11.550029382398032 2001 11.393988714056553 2002 11.9148972445171 2003 12.240646100901051 2004 11.60229954848003 2005 11.288327448463532 2006 10.246947894722654 2007 9.893704736617092 2008 9.923756953973331 2009 11.602216831464398 2010 11.686487018308538 2011 12.02373149490981 2012 12.14909358378755 2013 12.543856147004574 2014 12.234624737315352 2015 11.578944534035646 2016 11.533143519568789 2017 10.96118379015659 2018 11.174961387924606 2019 10.856229353813065 2020 13.355063691321865 2021 12.395407396109153 2022 10.707863298124556 2023 9.913603758901674