Year Percent of GDP (Units) 2000 3.728 2001 4.589 2002 2.261 2003 4.145 2004 4.611 2005 4.334 2006 4.118 2007 2.634 2008 1.467 2009 -1.537 2010 -0.002 2011 1.759 2012 0.674 2013 1.056 2014 0.788 2015 0.914 2016 -0.234 2017 -0.349 2018 -1.726 2019 -2.908 2020 -2.802 2021 -1.337 2022 0.142 2023 -3.650 2024 -2.822 2025 -0.504 2026 0.167 2027 0.091 2028 -0.015 2029 0.056