Year Percent of GDP 2001 3.278 2002 3.523 2003 1.581 2004 1.503 2005 1.39 2006 1.141 2007 1.034 2008 0.876 2009 0.662 2010 0.618 2011 0.573 2012 0.543 2013 0.517 2014 0.065 2015 0.062 2016 0.059 2017 0.055 2018 0.052 2019 0 2020 0 2021 0 2022 0 2023 0 2024 0