| Value | Category | Cases | |
|---|---|---|---|
| 1 | Government | 163 | 
                                    
                                    50.9%
                                 | 
| 2 | Private | 8 | 
                                    
                                    2.5%
                                 | 
| 3 | Union | 121 | 
                                    
                                    37.8%
                                 | 
| 4 | Other Specify | 28 | 
                                    
                                    8.8%
                                 | 
| Sysmiss | 112 |