Year U.S. dollars (Billions) 1993 1.791 1994 2.507 1995 3.909 1996 4.785 1997 5.160 1998 5.678 1999 5.772 2000 5.707 2001 6.269 2002 7.391 2003 9.891 2004 12.158 2005 14.126 2006 17.047 2007 22.476 2008 24.433 2009 19.693 2010 19.568 2011 23.210 2012 23.034 2013 25.116 2014 26.641 2015 22.893 2016 24.066 2017 26.915 2018 30.639 2019 31.294 2020 31.305 2021 36.889 2022 37.951 2023 40.757 2024 43.486 2025 45.476 2026 47.695 2027 50.003 2028 52.501 2029 55.205