PolarizedCount
PolarizedCount type expresses grouped by polarity count and total count of elements.  
Invariantly, total = positive + negative + neutral.
| Field | Description | Type | 
|---|---|---|
| positive | Positive elements count. | int | 
| negative | Negative elements count. | int | 
| neutral | Neutral elements count. | int | 
| total | Total elements count. | int |