| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Time restriction | 7 | 
                                                                 
                                    
                                    10%
                                 
                                                             | 
                                                        
                    
| 2 | 2. Limitations on number of users at a given time | 12 | 
                                                                 
                                    
                                    17.1%
                                 
                                                             | 
                                                        
                    
| 3 | 3. Rotation among groups of families | 51 | 
                                                                 
                                    
                                    72.9%
                                 
                                                             | 
                                                        
                    
| 4 | 4. No other restriction | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 5 | 5. Other (Specify) | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 3549 |