Year Percent of GDP (Units) 2000 73.250 2001 75.230 2002 93.875 2003 91.694 2004 81.303 2005 82.596 2006 87.344 2007 38.023 2008 39.528 2009 38.868 2010 42.949 2011 49.241 2012 49.492 2013 58.244 2014 71.086 2015 69.369 2016 80.948 2017 86.979 2018 83.596 2019 82.967 2020 85.888 2021 83.113 2022 82.856 2023 71.728 2024 64.252 2025 59.669 2026 55.431 2027 52.235 2028 48.949 2029 45.409