Year Percent of GDP (Units) 2004 2.445 2005 3.583 2006 1.507 2007 1.825 2008 0.176 2009 -2.461 2010 -2.238 2011 -4.049 2012 -7.079 2013 -7.741 2014 1.064 2015 -3.324 2016 -0.185 2017 -3.486 2018 -1.556 2019 -0.108 2020 -37.592 2021 -16.418 2022 0.434 2023 -2.279 2024 -1.917 2025 -1.605 2026 -1.424 2027 -1.272 2028 -0.458 2029 -0.400