Retrieves the eNPS stats for the requested period
OK
Date from where the stats of this results start
Date to where the stats of this results ends
Result for the eNPS
Result for the eNPS in average mode
The unique participants
Results by date for the given score. (for each iteration requested)
Number of detractors
Number of neutral
Number of promoters
Quality of the measurement, based on the participation
Valuation of the score