Year % of total employment (modeled ILO estimate) 1991 12.7094999317113 1992 13.007072916051 1993 14.1655534115086 1994 13.0356341698565 1995 12.9355927309476 1996 12.8381113130043 1997 12.252014354391 1998 12.707622765564 1999 14.0563664621153 2000 12.7530175694779 2001 14.1102553087026 2002 14.1189009210854 2003 14.4737349063364 2004 15.2855794724307 2005 15.3623252849541 2006 15.3464119074632 2007 15.4644414329484 2008 15.5404105432965 2009 15.7133400532579 2010 16.0288525381783 2011 16.2686398127525 2012 16.5473888559345 2013 16.7875891724342 2014 16.5594727648086 2015 16.2883353164703 2016 17.3949376553119 2017 18.3632630592296 2018 19.3869548655976 2019 19.5852027298883 2020 20.2373570481072 2021 20.3800979298376 2022 20.4556223253435