Year current US$ 1995 -739410173.561899 1996 802169160.902496 1997 512940809.51104 1998 980423757.746497 1999 327368597.868921 2000 661507717.436805 2001 395862361.502925 2002 641918336.645407 2003 1114406545.38816 2004 1936588517.72835 2005 2834095756.6351 2006 3651553643.89212 2007 4399916870.16197 2008 4528726186.71868 2009 2325462750.60042 2010 2235749740.22423 2011 1966895358.45016 2012 1050701257.24461 2013 2476845733.60545 2014 3247442435.98102 2015 5143491417.13667 2016 4793607871.82676 2017 6171511345.91496 2018 6914866210.92333 2019 7010565907.48716 2020 4080593896.16185 2021 5825650210.78499