| Value | Category | Cases | |
|---|---|---|---|
| 0 | 64 | 
                                    
                                    31.4%
                                 | |
| 1 | 16 | 
                                    
                                    7.8%
                                 | |
| 2 | 18 | 
                                    
                                    8.8%
                                 | |
| 3 | 10 | 
                                    
                                    4.9%
                                 | |
| 4 | 52 | 
                                    
                                    25.5%
                                 | |
| 5 | 2 | 
                                    
                                    1%
                                 | |
| 6 | 2 | 
                                    
                                    1%
                                 | |
| 7 | 4 | 
                                    
                                    2%
                                 | |
| 8 | 4 | 
                                    
                                    2%
                                 | |
| 9 | 4 | 
                                    
                                    2%
                                 | |
| 10 | 1 | 
                                    
                                    0.5%
                                 | |
| 11 | 3 | 
                                    
                                    1.5%
                                 | |
| 13 | 5 | 
                                    
                                    2.5%
                                 | |
| 14 | more than 14 years | 19 | 
                                    
                                    9.3%
                                 | 
| Sysmiss | 1 |