Year % of total employment (modeled ILO estimate) 1991 21.2557964799687 1992 20.1162275243149 1993 22.0573922358546 1994 24.0640669535798 1995 24.2468628010673 1996 22.3030920437278 1997 22.0099376474714 1998 22.9725324276104 1999 22.0421588399116 2000 22.1037180501285 2001 22.1759635079659 2002 21.8227901129433 2003 21.4075880342537 2004 22.3787250566231 2005 23.5146763276914 2006 22.1012482792499 2007 22.3290367665621 2008 22.0011299759775 2009 20.816945626906 2010 19.0752878188977 2011 19.7717319391328 2012 19.927383524712 2013 19.035709131781 2014 22.0244219368719 2015 21.8134433180711 2016 21.5745889065317 2017 20.6834612431188 2018 20.1250284802235 2019 20.8861246948767 2020 23.0539606649543 2021 23.2957237447482 2022 23.4388080007424