Year Percent of GDP (Units) 1997 -0.111 1998 0.627 1999 1.353 2000 -0.302 2001 0.422 2002 0.101 2003 2.173 2004 0.804 2005 0.471 2006 3.072 2007 2.285 2008 5.850 2009 4.106 2010 1.289 2011 2.400 2012 5.269 2013 1.179 2014 0.687 2015 -0.556 2016 -2.009 2017 -2.345 2018 -0.178 2019 -0.341 2020 -0.137 2021 0.460 2022 2.455 2023 1.302 2024 0.896 2025 0.551 2026 0.269 2027 -0.020 2028 -0.210 2029 -0.366