Year	constant 2015 US$
2014	4835753877.68713
2015	4861152000
2016	5273002491.977154
2017	5099213483.867356
2018	4920345673.755485
2019	5001810844.004479
2020	4408624480.361221
2021	4590265135.407595
2022	4676495092.146278