| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Less than normal | 19 | 
                                                                 
                                    
                                    38.8%
                                 
                                                             | 
                                                        
                    
| 2 | 2. Normal, as usual | 10 | 
                                                                 
                                    
                                    20.4%
                                 
                                                             | 
                                                        
                    
| 3 | 3. More than normal | 20 | 
                                                                 
                                    
                                    40.8%
                                 
                                                             | 
                                                        
                    
| 4 | 4. Stop giving drink | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 8 | 8. Don't know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 9 | 9. Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 3036 |