Year U.S. dollars (Billions) 1992 2.443 1993 2.687 1994 3.561 1995 4.687 1996 4.642 1997 3.928 1998 3.764 1999 3.867 2000 3.774 2001 3.709 2002 3.991 2003 4.946 2004 5.684 2005 6.257 2006 6.860 2007 8.337 2008 9.912 2009 9.400 2010 9.415 2011 10.499 2012 9.751 2013 10.824 2014 11.378 2015 10.067 2016 10.686 2017 11.336 2018 12.694 2019 12.609 2020 12.385 2021 14.008 2022 13.735 2023 14.769 2024 15.873 2025 16.904 2026 17.953 2027 19.150 2028 20.323 2029 21.404