Year % of total employment (modeled ILO estimate) 1991 6.34435991338613 1992 6.38483011235559 1993 6.427774350177 1994 6.47306926524019 1995 6.52135824677816 1996 6.56982696925528 1997 6.61629595799677 1998 6.67721673349169 1999 6.7470206554969 2000 6.81152409824847 2001 7.10365608359992 2002 7.20278725949618 2003 7.28637221578428 2004 7.33696048159938 2005 7.19873916042935 2006 6.97889391890058 2007 6.60670817002388 2008 6.43191744521638 2009 6.42110461073991 2010 6.25792213089309 2011 6.1774149244522 2012 6.25307603791422 2013 6.01441551137035 2014 6.06006165754801 2015 6.13902717586333 2016 5.99362277658748 2017 6.07668158313347 2018 6.1546599172759 2019 5.66808352628347 2020 5.10007889650147 2021 4.79274229673127 2022 4.86098777095471