Year Percent of GDP (Units) 1996 15.015 1997 5.448 1998 0.227 1999 -3.257 2000 6.725 2001 7.250 2002 -0.208 2003 -3.255 2004 3.104 2005 8.678 2006 10.690 2007 5.384 2008 -2.389 2009 -6.048 2010 4.557 2011 8.983 2012 4.992 2013 0.447 2014 -4.677 2015 -1.136 2016 -1.678 2017 -2.963 2018 7.024 2019 6.356 2020 5.029 2021 9.002 2022 4.687 2023 5.456 2024 8.008 2025 8.303 2026 7.541 2027 6.568 2028 6.069 2029 4.541