Monthly search volume.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v25/common/keyword_plan_common.proto)

| Fields ||
|---|---|
| ## `month` | `https://developers.google.com/google-ads/api/reference/rpc/v25/MonthOfYearEnum.MonthOfYear` The month of the search volume. |
| ## `monthly_searches` | `int64` Approximate number of searches for the month. A null value indicates the search volume is unavailable for that month. |
| ## `year` | `int64` The year of the search volume (for example, 2020). |