Year % of total employment 1995 39.64 1996 40.17 1997 26.26 1998 40.4 1999 42.01 2000 46.42 2001 47.56 2002 44.95 2003 48.66 2004 45.16 2005 40.51 2006 49.07 2007 42.62 2008 40.2 2009 43.78 2010 42.95 2011 42 2012 43.59 2013 43.21 2014 43.32 2015 43.58 2016 42.01 2017 43.47 2018 44.21 2019 43.84 2020 44.41 2021 45.66 2022 46.19 2023 46.17