AI-generated Key Takeaways
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The
include_average_cpcfield is a boolean indicating whether to include the average cost per click value, provided for legacy support. - 
          
The
year_month_rangefield specifies the time period for historical metrics, with the past 12 months as the default and search metrics available for the past 4 years. 
Historical metrics options.
| Fields | |
|---|---|
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 Indicates whether to include average cost per click value. Average CPC is provided only for legacy support.  | 
              
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                   The year month range for historical metrics. If not specified, metrics for the past 12 months are returned. Search metrics are available for the past 4 years. If the search volume is not available for the entire year_month_range provided, the subset of the year month range for which search volume is available are returned.  |