Year % of total employment (modeled ILO estimate) 1991 1.307045263599591 1992 1.3352288476918475 1993 1.3782044590992606 1994 1.4193236894186068 1995 1.4617824210135741 1996 1.5059667989200674 1997 1.5432285461904933 1998 1.6119148483273413 1999 1.646112366508889 2000 1.6365181663367183 2001 1.6591990687753915 2002 1.7129312847096967 2003 1.7054186333288153 2004 1.715316563678147 2005 1.7333769658820493 2006 1.7163211468667314 2007 1.7696003386472705 2008 1.7736809093060086 2009 1.7619710809915696 2010 1.8756289122649699 2011 1.9413458213041155 2012 2.0914386953129993 2013 2.1801964338569726 2014 2.2808920427278485 2015 2.2021337793075637 2016 2.2729568982070885 2017 2.3058216472155824 2018 2.3445008189028913 2019 2.3581834808887034 2020 2.3579284675472203 2021 2.4063384448657685 2022 2.4022076696821943