Year Percent of GDP (Units) 1997 -0.829 1998 -0.705 1999 -1.237 2000 -0.624 2001 -0.994 2002 -2.068 2003 -0.969 2004 0.343 2005 -0.170 2006 -0.637 2007 -0.815 2008 -1.995 2009 -1.610 2010 -4.645 2011 -2.043 2012 -2.385 2013 -3.190 2014 -2.740 2015 -2.594 2016 -2.636 2017 -3.826 2018 -3.023 2019 -4.816 2020 -7.758 2021 -7.506 2022 -6.308 2023 -5.042 2024 -4.125 2025 -3.632 2026 -3.706 2027 -3.345 2028 -2.643 2029 -2.535