Year Percent of GDP 2001 19.628 2002 15.891 2003 14.945 2004 11.146 2005 7.389 2006 5.065 2007 -1.185 2008 -7.014 2009 -3.502 2010 5.029 2011 7.426 2012 5.497 2013 4.03 2014 3.465 2015 10.649 2016 18.429 2017 24.144 2018 33.252 2019 39.591 2020 41.626 2021 41.295 2022 41.549 2023 42.076 2024 42.5