Year Percent of GDP 1995 47.448 1996 50.72 1997 46.09 1998 44.021 1999 42.479 2000 41.985 2001 44.818 2002 45.147 2003 45.535 2004 43.615 2005 44.395 2006 44.663 2007 43.208 2008 44.295 2009 45.042 2010 45.808 2011 43.88 2012 42.859 2013 42.595 2014 42.395 2015 41.672 2016 41.107 2017 41.112 2018 41.557 2019 42.983 2020 43.212 2021 43.049 2022 42.864 2023 42.77 2024 42.599