| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 2003 | 
                                    
                                    53.6%
                                 | 
| 2 | 1 to 2 days | 779 | 
                                    
                                    20.8%
                                 | 
| 3 | 3 to 4 days | 308 | 
                                    
                                    8.2%
                                 | 
| 4 | 5 to 6 days | 195 | 
                                    
                                    5.2%
                                 | 
| 5 | 7 days | 455 | 
                                    
                                    12.2%
                                 | 
| Sysmiss | 27 |