Year	current US$
2010	2553901582.598933
2011	2332579897.320177
2012	2513408939.093856
2013	2589470486.706211
2014	2542074034.077224
2015	2658303132.265953
2016	2713027982.214068
2017	2891412239.504244
2018	2915076489.68514
2019	2854083139.322269
2020	2704896507.821777
2021	3064843526.405179