Year U.S. dollars (Billions) 1992 -1.200 1993 2.600 1994 8.942 1995 7.438 1996 10.103 1997 -0.835 1998 0.071 1999 22.855 2000 45.382 2001 32.054 2002 27.473 2003 33.128 2004 58.560 2005 84.389 2006 92.316 2007 72.193 2008 103.935 2009 50.384 2010 67.452 2011 97.274 2012 71.282 2013 33.428 2014 57.513 2015 67.777 2016 24.469 2017 32.179 2018 115.680 2019 65.650 2020 35.373 2021 122.114 2022 238.036 2023 50.565 2024 55.830 2025 57.153 2026 59.341 2027 63.644 2028 65.801 2029 67.400