Year Percent of GDP 2001 8.736 2002 0.866 2003 4.985 2004 3.661 2005 3.791 2006 -7.116 2007 -4.612 2008 -8.294 2009 -0.789 2010 1.17 2011 4.281 2012 5.13 2013 8.216 2014 7.811 2015 9.118 2016 9.869 2017 14.133 2018 15.374 2019 14.799 2020 13.062 2021 12.733 2022 13.616 2023 14.792 2024 15.899