Year constant 2015 US$ 1995 240857496.34843737 1996 237267112.6343749 1997 205823517.3140624 1998 235859140.77617177 1999 270169717.4058593 2000 233766599.46445304 2001 195211026.5152343 2002 264639905.1589843 2003 156333694.82773435 2004 177963648.63046873 2005 140296795.5066406 2006 146702013.42421874 2007 157393279.63828123 2008 132947382.11914061 2009 134411939.1347656 2010 154499670.01953122 2011 118603599.46914059 2012 140014979.23242182 2013 115893059.4773437 2014 132283893.41054681 2015 134399734.49296868 2016 133830554.38007806 2017 124600516.64296868 2018 139955065.53632805 2019 129580010.49609368 2020 119013009.72578119 2021 127649458.06640619 2022 129290427.63164055 2023 131239841.78046867