Year Percent of GDP 2000 32.918 2001 27.244 2002 18.195 2003 22.953 2004 26.33 2005 28.949 2006 28.15 2007 30.265 2008 33.859 2009 33.188 2010 30.557 2011 23.465 2012 18.908 2013 15.96 2014 14.781 2015 16.19 2016 19.19 2017 26.198 2018 34.542 2019 24.999 2020 15.79 2021 13.031 2022 9.789 2023 7.339 2024 6.418