Year U.S. dollars (Billions) 1995 6.696 1996 8.383 1997 10.119 1998 11.240 1999 10.972 2000 11.525 2001 12.238 2002 14.257 2003 18.782 2004 22.624 2005 26.115 2006 30.203 2007 39.764 2008 48.030 2009 37.475 2010 37.195 2011 43.584 2012 42.952 2013 46.537 2014 48.611 2015 41.440 2016 43.035 2017 47.742 2018 53.776 2019 54.815 2020 56.919 2021 66.843 2022 71.030 2023 77.926 2024 81.170 2025 84.727 2026 88.531 2027 92.476 2028 96.590 2029 100.765