Year % of total employment (modeled ILO estimate) 1991 35.6284797136576 1992 34.1537676801243 1993 31.9216604953278 1994 30.4614823611734 1995 29.2122868488209 1996 27.8433727463356 1997 26.7551883043453 1998 25.1727302059479 1999 23.545008070014 2000 22.7130601104773 2001 21.5217490567652 2002 20.2037942336621 2003 18.922326396829 2004 17.3981944999672 2005 16.8319189704684 2006 16.3659340587012 2007 15.4896571448961 2008 14.7530025761193 2009 13.8682231013071 2010 13.6599461924742 2011 13.7033328916307 2012 13.8103612103692 2013 13.931204208459 2014 13.9731476488155 2015 13.676277215126 2016 14.1104679269886 2017 14.0483590857048 2018 13.9473880957867 2019 13.6831163471521 2020 13.450033021843 2021 13.6433318368422 2022 14.0007468504173