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An array of economic_indicator objects with the following properties:
| Field | Description |
|---|---|
| id | The unique identifier for the economic indicator, used in queries for its releases and estimates |
| name | The name of the economic indicator |
| unit | The denomination or category of values, one of "absolute", "thousands", "millions", "billions", "percent" |
| reports_per_year | The number of releases every year, one of 4, 12, 52 |
| comparison_period | Which release's actuals to calculate percent changes against, either of "year_over_year" or "previous" |