Year % of total employment (modeled ILO estimate) 1991 9.938622447179426 1992 9.907266768017532 1993 9.898541484085582 1994 9.892560070868914 1995 9.906745205359757 1996 9.945354259421475 1997 9.969324183841566 1998 9.971796693310148 1999 9.982425262452914 2000 10.047921506256888 2001 10.142312713394029 2002 10.237443927268243 2003 10.23451575667245 2004 10.370262084552326 2005 10.340885199507962 2006 10.338659459308552 2007 10.305847572773953 2008 10.072293062008605 2009 10.051716272305532 2010 10.096101647435603 2011 10.192628914054023 2012 10.379844383817577 2013 10.586569659575721 2014 10.81692677806407 2015 11.03552200172515 2016 11.028782339032935 2017 11.133325442204207 2018 11.184317323218528 2019 11.205992793381643 2020 11.286758754269446 2021 11.350151463058026 2022 11.498351298317926