Year Percent of GDP 2000 67.661 2001 61.264 2002 58.119 2003 63.077 2004 50.449 2005 39.911 2006 32.008 2007 25.505 2008 31.15 2009 41.034 2010 42.404 2011 36.512 2012 34.83 2013 34.663 2014 35.59 2015 41.446 2016 44.414 2017 45.087 2018 44.543 2019 45.045 2020 43.912 2021 42.761 2022 41.839 2023 41.108 2024 41.015