Year % of total employment (modeled ILO estimate) 1991 41.3129048893893 1992 40.9922635509155 1993 40.7662844017015 1994 40.5157008505466 1995 40.175312867833 1996 39.7983122269043 1997 39.4040819128645 1998 38.9998153589162 1999 38.6148455893993 2000 38.2487983118393 2001 37.9504411730783 2002 37.0097212016492 2003 36.2292865800101 2004 35.5183063736496 2005 34.78405171548 2006 34.1484579711369 2007 33.4619432774919 2008 32.7467255040878 2009 31.5995104578688 2010 30.3041867806723 2011 29.2259318745116 2012 28.1334436666787 2013 26.9525141816215 2014 25.7284123101159 2015 24.8387178510025 2016 23.9695789574688 2017 23.1362526035802 2018 22.2663152803265 2019 21.34648804825 2020 21.4234253777496 2021 20.9166471168117 2022 20.4172097501272