Year % of total employment (modeled ILO estimate) 1991 6.49117506986577 1992 6.59252080891854 1993 6.4696625284140605 1994 5.76242192705719 1995 5.28140846793789 1996 5.422546081661553 1997 5.57938810821444 1998 5.45615049724859 1999 5.1252169015911795 2000 4.9250965046992174 2001 4.831442939470694 2002 4.728153551992512 2003 5.091706455402566 2004 5.314050758542466 2005 5.184663822342709 2006 5.056126281112475 2007 5.163949553547546 2008 5.180623116548665 2009 5.611051198492987 2010 5.43492081114056 2011 5.38432649771911 2012 5.610734398518357 2013 5.521280569599096 2014 5.354486898815041 2015 5.185735244045995 2016 5.222625967672517 2017 5.072047768065893 2018 4.925793996797024 2019 4.93861780149942 2020 5.136313399086045 2021 5.468008875015912 2022 5.783935299449953