Year Percent of GDP (Units) 2001 34.792 2002 37.184 2003 39.918 2004 48.553 2005 47.202 2006 45.796 2007 45.947 2008 52.045 2009 63.417 2010 70.364 2011 76.811 2012 80.933 2013 80.663 2014 81.356 2015 81.091 2016 82.028 2017 80.551 2018 81.376 2019 83.221 2020 97.991 2021 97.766 2022 94.670 2023 96.280 2024 97.594 2025 100.681 2026 102.875 2027 104.617 2028 106.520 2029 108.014