Year % of total employment (modeled ILO estimate) 1991 31.177151645088443 1992 31.10542161742099 1993 30.985431588852194 1994 31.036064858604373 1995 31.073203472734367 1996 31.008948535883487 1997 30.940362135114928 1998 30.90286132587731 1999 30.759398156562533 2000 30.72946007676536 2001 30.744161841630746 2002 30.29102496864265 2003 29.782338939357704 2004 29.539554235014194 2005 29.416359510211784 2006 28.977697482076028 2007 28.459155674972507 2008 27.926292949043773 2009 27.302203792126424 2010 26.96402781468385 2011 26.518250568250135 2012 25.70805542398075 2013 25.28406849255472 2014 24.85506998137376 2015 24.178965443699227 2016 23.836487557788466 2017 23.189653852898534 2018 22.54210978634154 2019 21.792098130156845 2020 21.69436305179549 2021 21.141868397854967 2022 20.70486699586237