| Data file | Cases | Variables | 
|---|---|---|
| 
            Group
                    
             This file contains the groups data collected during the survey. 
         | 
                    148 | 197 | 
| 
            Members entering
                    
             This file contains the entering members data collected during the survey. 
         | 
                    274 | 30 | 
| 
            Members exiting
                    
             This file contains the exiting members data collected during the survey. 
         | 
                    107 | 30 |