Year	current US$
2005	-2633628159.24353
2006	-2090746706.47871
2007	-2755377430.10834
2008	-5478876135.32245
2009	-4325246356.72047
2010	-1526153089.74057
2011	-2364468697.77219
2012	-5632834787.59165
2013	-3486982336.45226
2014	-3908743343.54186
2015	-4355988199.75395
2016	-4759921237.93377
2017	-694095849.243531
2018	-1626316171.15739
2019	819492495.093673
2020	2447300837.07684
2021	-5281324885.11276