| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO CALF | 103 | 
                                    
                                    4.9%
                                 | 
| 2 | INTERMITENT SUCKING | 590 | 
                                    
                                    27.9%
                                 | 
| 3 | CONTINUOUS SUCKING | 1424 | 
                                    
                                    67.3%
                                 | 
| Sysmiss | 85973 |