Year	current US$
2009	399148682.1196732
2010	394161806.185214
2011	486830066.6408734
2012	593681788.7470825
2013	356262672.514203
2014	330516612.2799635
2015	334839450.3520125
2016	355042197.8367519
2017	382150039.5887932
2018	402697679.9985283
2019	394998939.19898033
2020	412458432.16775227
2021	470951777.1942914
2022	437014477.6313467
2023	458742463.37522537