Year U.S. dollars (Billions) 2000 2.217 2001 2.509 2002 2.730 2003 3.390 2004 3.710 2005 3.828 2006 4.019 2007 4.868 2008 5.202 2009 5.030 2010 5.348 2011 6.340 2012 6.167 2013 6.735 2014 7.076 2015 6.296 2016 6.681 2017 7.178 2018 7.882 2019 7.900 2020 7.728 2021 9.418 2022 9.355 2023 10.477 2024 11.318 2025 12.215 2026 13.067 2027 13.876 2028 14.680 2029 15.516