Year U.S. dollars (Billions) 1980 56.731 1981 53.752 1982 65.315 1983 75.555 1984 75.656 1985 70.915 1986 73.822 1987 63.840 1988 68.747 1989 67.027 1990 62.206 1991 80.610 1992 88.888 1993 90.544 1994 103.887 1995 139.363 1996 156.993 1997 157.493 1998 172.389 1999 168.130 2000 171.613 2001 190.805 2002 199.070 2003 217.829 2004 255.292 2005 306.304 2006 344.627 2007 429.021 2008 533.600 2009 439.794 2010 475.697 2011 524.374 2012 495.230 2013 515.762 2014 539.212 2015 476.788 2016 469.650 2017 524.780 2018 588.804 2019 595.968 2020 599.458 2021 681.429 2022 688.250 2023 808.435 2024 844.623 2025 884.581 2026 937.789 2027 984.450 2028 1022.936 2029 1063.492