Year Percent of GDP (Units) 1997 -1.762 1998 -2.493 1999 -2.429 2000 -3.212 2001 -2.885 2002 -6.018 2003 -4.621 2004 -3.534 2005 -3.331 2006 2.870 2007 3.675 2008 6.057 2009 1.880 2010 2.597 2011 5.128 2012 5.797 2013 2.037 2014 1.781 2015 -0.403 2016 0.556 2017 0.928 2018 1.411 2019 -0.468 2020 -3.271 2021 -4.777 2022 -4.378 2023 -4.588 2024 -3.325 2025 -2.021 2026 -1.967 2027 -1.884 2028 -1.855 2029 -1.858