Year % of GDP 2005 0 2006 0 2007 8.719293836831689 2008 6.7928810515738 2009 10.295799935554825 2010 9.845764723737862 2011 8.041250813478179 2012 8.188677708988584 2013 8.316680560940652 2014 7.853504101389108 2015 8.499192496687215 2016 7.877026479209446 2017 8.12517966730429 2018 8.778729613831116 2019 8.226707137769289 2020 7.250330821333489 2021 7.286312669724185 2022 8.974006043162971 2023 7.677139983716855