Year U.S. dollars (Billions) 1990 62.165 1991 60.131 1992 52.275 1993 56.807 1994 80.128 1995 132.230 1996 172.686 1997 187.866 1998 209.677 1999 57.477 2000 67.824 2001 73.128 2002 93.983 2003 102.935 2004 130.345 2005 169.645 2006 222.791 2007 262.215 2008 330.260 2009 297.458 2010 369.062 2011 414.095 2012 460.952 2013 514.966 2014 568.499 2015 492.437 2016 404.649 2017 375.745 2018 421.737 2019 448.120 2020 429.423 2021 441.424 2022 477.376 2023 374.947 2024 252.738 2025 251.198 2026 254.831 2027 265.781 2028 276.779 2029 287.850