Year % of total employment (modeled ILO estimate) 1991 31.4333781633558 1992 32.0087814415376 1993 32.7775726162615 1994 33.6361503045549 1995 34.5445098338662 1996 35.4254570267719 1997 36.2136917395473 1998 36.9512252517408 1999 37.6506919372879 2000 38.3743820865898 2001 39.1538162211452 2002 39.9732627780367 2003 40.8794516841534 2004 41.8677215586419 2005 42.8130226310952 2006 43.8158378632684 2007 44.896102846144 2008 45.9641571327296 2009 46.8928871591329 2010 47.8915824559254 2011 48.8078994156962 2012 49.5636100823731 2013 50.227622997119 2014 50.8208923499414 2015 51.2829513388511 2016 51.7477492986605 2017 52.2506371050039 2018 53.0000037406797 2019 53.5695610005954 2020 53.4509277690612 2021 53.8240699514201 2022 54.2386589336359