Year U.S. dollars (Billions) 1992 0.108 1993 0.835 1994 0.648 1995 1.287 1996 1.597 1997 1.639 1998 1.892 1999 1.845 2000 1.912 2001 2.118 2002 2.376 2003 2.807 2004 3.577 2005 4.900 2006 6.384 2007 9.206 2008 11.662 2009 8.648 2010 9.260 2011 10.142 2012 10.619 2013 11.121 2014 11.610 2015 10.553 2016 10.546 2017 11.527 2018 12.458 2019 13.619 2020 12.642 2021 13.879 2022 19.514 2023 24.155 2024 25.408 2025 27.151 2026 29.151 2027 31.284 2028 33.575 2029 36.048