Year Percent of GDP (Units) 2006 40.937 2007 36.113 2008 30.992 2009 48.536 2010 30.975 2011 32.653 2012 43.692 2013 49.423 2014 43.963 2015 50.547 2016 78.678 2017 86.898 2018 76.539 2019 66.837 2020 83.392 2021 67.728 2022 64.489 2023 48.028 2024 47.910 2025 47.854 2026 48.074 2027 49.002 2028 50.441 2029 51.720