Year % of total employment (modeled ILO estimate) 1991 17.2258087988584 1992 16.8488830142257 1993 16.6526826382124 1994 16.7413108557775 1995 17.925973298444 1996 17.46363810344 1997 16.7036909554616 1998 15.8213456300308 1999 15.5358451640924 2000 14.1408768447302 2001 13.6609103958769 2002 14.3201498544081 2003 11.9254926358637 2004 13.2670350058022 2005 12.3296586585108 2006 13.3839255253654 2007 13.686776109219 2008 14.6122772793298 2009 15.3126577351669 2010 16.2357262784895 2011 17.2297715859815 2012 18.172024789387 2013 20.4191524346659 2014 20.7204615827143 2015 20.2864151838433 2016 18.9906779331695 2017 19.21977435426 2018 20.6112502527377 2019 20.8529582060868 2020 20.373201778696 2021 21.8239068198433 2022 22.0809216619565