Possible time granularities for aggregating YouTube ad benchmarks data.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v26/enums/benchmarks_time_granularity.proto)

| Enums ||
|---|---|
| ## `MONTH` | Aggregate by month. |
| ## `QUARTER` | Aggregate by quarter. |
| ## `UNKNOWN` | Used as a return value only. Represents value unknown in this version. |
| ## `UNSPECIFIED` | Not specified. |
| ## `WEEK` | Aggregate by week. |