Year current US$ 2000 -833007467.251383 2001 -2054943239.61235 2002 212109989.071061 2003 248674201.629239 2004 1218843333.33921 2005 2044641974.25686 2006 4372447594.36292 2007 738507619.428917 2008 -6811617536.53729 2009 -1222408881.66818 2010 1302097272.61811 2011 3023196014.19054 2012 6117380426.61628 2013 4765982123.9016 2014 9425054228.60018 2015 6866065565.70432 2016 168106021.818882 2017 -2535787226.58056 2018 -4003999263.02071 2019 2958826279.16077 2020 4428949717.74712 2021 8320525004.55001