| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, all animals at least once | 563 | 
                                    
                                    22.8%
                                 | 
| 2 | Yes, some animals | 42 | 
                                    
                                    1.7%
                                 | 
| 3 | None, no animals | 1862 | 
                                    
                                    75.5%
                                 | 
| Sysmiss | 1329 |