Participant Statistics report displays data for the total number of respondents that have completed any given survey. This includes any respondent who has answered every question that are marked as validated in the survey and have reached either the Thank You page or the Survey Termination page.
Go to: My Surveys (Select Survey) » Analytics »
You will land on the Dashboard view by default. Click on the Dashboard drop down and select Participant StatisticsThis feature is available with the following licenses :