Year Percent of GDP 2000 222.463 2001 104.457 2002 72.558 2003 67.92 2004 58.582 2005 46.696 2006 30.522 2007 25.166 2008 27.185 2009 29.048 2010 36.71 2011 38.661 2012 48.611 2013 49.704 2014 63.396 2015 67.993 2016 66.516 2017 56.588 2018 52.311 2019 48.917 2020 46.379 2021 43.776 2022 41.416 2023 39.252 2024 37.156