| Value | Category | Cases | |
|---|---|---|---|
| 0 | 120 | 
                                    
                                    90.9%
                                 | |
| 1 | Voluntary | 2 | 
                                    
                                    1.5%
                                 | 
| 2 | Compulsary | 1 | 
                                    
                                    0.8%
                                 | 
| 3 | Other (Specify) | 2 | 
                                    
                                    1.5%
                                 | 
| 4 | 1 | 
                                    
                                    0.8%
                                 | |
| 5 | 4 | 
                                    
                                    3%
                                 | |
| 6 | 1 | 
                                    
                                    0.8%
                                 | |
| 9 | 1 | 
                                    
                                    0.8%
                                 | |
| Sysmiss | 13692 |