Year % of total employment (modeled ILO estimate) 1991 24.085848596446723 1992 23.913456771866336 1993 23.78370469226632 1994 23.693684424243088 1995 23.668513829549617 1996 23.750659486158092 1997 23.821920670509076 1998 23.887653825961166 1999 23.97911685546293 2000 24.010788553262742 2001 23.975094043219283 2002 23.52803489955225 2003 23.088896092927367 2004 23.04863870405468 2005 22.934755488342194 2006 23.07449111640189 2007 23.50204955478807 2008 23.825898301587436 2009 23.867551607856512 2010 23.436776355694043 2011 23.858378765999955 2012 24.362055218562325 2013 24.721238221442192 2014 25.049589844458485 2015 25.271594009322556 2016 25.258113034953293 2017 25.34951633775994 2018 25.355688240373937 2019 25.243919780278084 2020 24.609161621375744 2021 24.710108242559365 2022 25.069640384994088