| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -7 | Does not apply (spontaneous) | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 0 | Less than one day | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 1 | 19 | 
                                                                 
                                    
                                    11.7%
                                 
                                                             | 
                                                        
                    |
| 2 | 44 | 
                                                                 
                                    
                                    27%
                                 
                                                             | 
                                                        
                    |
| 3 | 21 | 
                                                                 
                                    
                                    12.9%
                                 
                                                             | 
                                                        
                    |
| 4 | 18 | 
                                                                 
                                    
                                    11%
                                 
                                                             | 
                                                        
                    |
| 5 | 13 | 
                                                                 
                                    
                                    8%
                                 
                                                             | 
                                                        
                    |
| 6 | 6 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    |
| 7 | 14 | 
                                                                 
                                    
                                    8.6%
                                 
                                                             | 
                                                        
                    |
| 8 | 1 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 9 | 1 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 10 | 11 | 
                                                                 
                                    
                                    6.7%
                                 
                                                             | 
                                                        
                    |
| 11 | 1 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 12 | 3 | 
                                                                 
                                    
                                    1.8%
                                 
                                                             | 
                                                        
                    |
| 14 | 1 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 15 | 6 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    |
| 20 | 2 | 
                                                                 
                                    
                                    1.2%
                                 
                                                             | 
                                                        
                    |
| 30 | 1 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 45 | 1 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 1269 |