Year % of total employment (modeled ILO estimate) 1991 10.1543949426801 1992 11.345658167518 1993 12.7131800786123 1994 13.7071995050396 1995 13.9366108664204 1996 14.6159176761756 1997 19.4275485289449 1998 17.3629439560897 1999 16.9540293934684 2000 14.8828429726312 2001 15.249654849018 2002 13.706072159512 2003 13.5058181443724 2004 13.5097730754599 2005 11.4733485509032 2006 11.6610692916425 2007 10.9710545586658 2008 10.2452611233324 2009 11.5244254571112 2010 11.4918414100626 2011 11.3415947041712 2012 11.3659555095056 2013 11.5548808679838 2014 11.5439257787902 2015 12.6105118500987 2016 12.877753265399 2017 12.1443021931477 2018 11.5166917690921 2019 11.5846836690041 2020 12.6811969751435 2021 12.9901311864734 2022 13.3991699062351