Year % of total employment (modeled ILO estimate) 1991 2.4834009787441205 1992 2.580425454968437 1993 2.690874296198173 1994 2.749849866148676 1995 2.7779701179490064 1996 2.825141732870452 1997 2.7869694756691312 1998 2.786572374141072 1999 2.8062501542392737 2000 2.924963767136763 2001 2.961374166732437 2002 2.881692132781249 2003 2.9164671433340477 2004 3.090472506548268 2005 3.086315627852455 2006 3.0071085741443495 2007 3.008330728403208 2008 2.933523814660536 2009 2.9270438076979106 2010 2.8595282612379105 2011 2.8199810818960542 2012 2.740082621062793 2013 2.7245708125474377 2014 2.8515038199618488 2015 2.71031451463858 2016 2.750905134467517 2017 2.7122216307703857 2018 2.6824622167622203 2019 2.6272313425121068 2020 2.460962920031155 2021 2.6486202015559717 2022 2.6053347499342703