Year Percent of GDP (Units) 2000 77.309 2001 81.268 2002 87.325 2003 89.699 2004 88.348 2005 85.371 2006 77.646 2007 70.931 2008 70.366 2009 72.792 2010 69.161 2011 67.271 2012 66.958 2013 66.117 2014 64.915 2015 63.185 2016 61.753 2017 59.847 2018 60.131 2019 59.239 2020 70.940 2021 67.820 2022 60.491 2023 61.942 2024 67.342 2025 67.315 2026 67.757 2027 68.087 2028 68.274 2029 68.483