| Characteristic | Operating revenue in million USD |
|---|---|
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
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Source
Release date
April 2022
Region
United States
Survey time period
2015 to 2021
Supplementary notes
Figures have been rounded.
Figures from 2015 to 2020 were retrieved from previous versions of the report.
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