Year Percent of GDP 2004 344.317 2005 227.344 2006 143.165 2007 117.085 2008 74.168 2009 87.375 2010 53.533 2011 40.719 2012 34.782 2013 31.987 2014 32.862 2015 56.883 2016 66.089 2017 59.622 2018 48.415 2019 50.248 2020 47.358 2021 46.462 2022 46.264 2023 46.984 2024 49.048