| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Time restriction | 31 | 
                                                                 
                                    
                                    20.8%
                                 
                                                             | 
                                                        
                    
| 2 | 2. Limitations on number of users at a given time | 82 | 
                                                                 
                                    
                                    55%
                                 
                                                             | 
                                                        
                    
| 3 | 3. Rotation among groups of families | 36 | 
                                                                 
                                    
                                    24.2%
                                 
                                                             | 
                                                        
                    
| 4 | 4. No other restriction | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 5 | 5. Other (Specify) | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 3470 |