Year % of total employment (modeled ILO estimate) 1991 11.195889447444827 1992 10.953856669561233 1993 10.688142534904781 1994 10.46481247947908 1995 10.220343271688169 1996 9.806398348230818 1997 9.800403763062787 1998 9.514147558980865 1999 9.274910528813221 2000 8.94923173691716 2001 8.655534060674144 2002 7.9256650241709385 2003 7.6958287512584285 2004 7.090053911590573 2005 6.897352163334578 2006 6.563835174728588 2007 6.225109782071894 2008 5.7533406420508015 2009 5.751104582362134 2010 5.7998895475525245 2011 5.585072021359526 2012 5.560448922424205 2013 5.4117893310443925 2014 5.26180477733043 2015 5.056268072835714 2016 4.783431814206207 2017 4.661132952510572 2018 4.4870216453208265 2019 4.338541894720554 2020 4.315174398843115 2021 4.133800754603397 2022 3.988078583699469