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 be defaulted in the Dashboard view. Click on the drop down and select Participant StatisticsThis feature is available with the following licenses :