Year U.S. dollars (Billions) 1992 19.271 1993 16.626 1994 16.845 1995 21.384 1996 21.516 1997 20.805 1998 22.168 1999 22.770 2000 20.393 2001 20.901 2002 23.539 2003 29.673 2004 34.448 2005 36.260 2006 39.514 2007 48.073 2008 55.773 2009 50.513 2010 48.248 2011 51.575 2012 46.607 2013 48.416 2014 50.010 2015 43.112 2016 44.754 2017 48.572 2018 54.202 2019 54.393 2020 53.691 2021 61.873 2022 60.111 2023 68.236 2024 72.101 2025 75.096 2026 78.591 2027 82.212 2028 86.082 2029 90.032