Year Percent of GDP (Units) 2005 33.061 2006 39.437 2007 44.670 2008 61.077 2009 58.709 2010 47.577 2011 42.864 2012 38.377 2013 37.044 2014 42.304 2015 48.014 2016 49.892 2017 71.853 2018 50.836 2019 82.337 2020 84.466 2021 58.613 2022 100.576 2023 90.229 2024 98.483 2025 86.801 2026 80.413 2027 73.896 2028 69.798 2029 70.575