Year U.S. dollars (Billions) 1992 1.625 1993 9.169 1994 7.765 1995 10.043 1996 4.068 1997 4.584 1998 4.893 1999 6.595 2000 8.587 2001 11.855 2002 14.875 2003 19.533 2004 24.272 2005 29.363 2006 36.577 2007 44.388 2008 36.788 2009 34.562 2010 35.164 2011 44.413 2012 50.252 2013 50.863 2014 56.204 2015 44.944 2016 42.876 2017 45.902 2018 49.299 2019 53.035 2020 52.385 2021 60.934 2022 77.963 2023 77.106 2024 81.896 2025 89.001 2026 97.013 2027 105.932 2028 115.835 2029 126.814