Year	current US$
2005	7298287660.29848
2006	11108814057.2295
2007	15713686480.186
2008	40498424474.8271
2009	10460726382.5812
2010	22453521682.4477
2011	37929851049.5953
2012	45029306246.2534
2013	50627071197.7436
2014	38721683642.6183
2015	10220037469.6283
2016	9281029675.74508
2017	20242157676.0209
2018	36958236231.4269
2019	34905116502.913
2020	5714917048.49329
2021	19438360677.927