Year U.S. dollars (Billions) 1995 3.380 1996 3.446 1997 3.489 1998 3.697 1999 3.858 2000 4.075 2001 4.089 2002 4.478 2003 5.455 2004 6.102 2005 6.415 2006 6.811 2007 7.989 2008 9.127 2009 8.721 2010 9.043 2011 9.637 2012 9.468 2013 10.551 2014 11.629 2015 11.093 2016 11.665 2017 13.480 2018 15.411 2019 16.006 2020 15.238 2021 18.136 2022 18.372 2023 20.963 2024 22.737 2025 24.023 2026 25.371 2027 26.737 2028 28.167 2029 29.637