Year U.S. dollars (Billions) 1993 13.726 1994 15.838 1995 20.034 1996 21.659 1997 21.927 1998 22.825 1999 20.867 2000 20.730 2001 21.421 2002 24.888 2003 34.085 2004 43.190 2005 49.116 2006 57.492 2007 77.239 2008 97.170 2009 89.302 2010 91.237 2011 99.905 2012 94.684 2013 98.937 2014 101.463 2015 88.910 2016 89.928 2017 95.616 2018 106.186 2019 105.723 2020 106.646 2021 118.655 2022 115.553 2023 132.122 2024 140.808 2025 149.401 2026 157.083 2027 164.227 2028 171.757 2029 179.484