| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, all animals at least once | 647 | 
                                    
                                    18%
                                 | 
| 2 | Yes, some animals | 52 | 
                                    
                                    1.4%
                                 | 
| 3 | None, no animals | 2900 | 
                                    
                                    80.6%
                                 | 
| Sysmiss | 21243 |