| Value | Category | Cases | |
|---|---|---|---|
| 0 | No calf | 16 | 
                                    
                                    4%
                                 | 
| 1 | Intermittent suckling | 239 | 
                                    
                                    59.8%
                                 | 
| 2 | Continuous suckling | 145 | 
                                    
                                    36.3%
                                 | 
| Sysmiss | 1665 |