| Value | Category | Cases | |
|---|---|---|---|
| 1 | Government | 111 | 
                                    
                                    34.5%
                                 | 
| 2 | Private | 2 | 
                                    
                                    0.6%
                                 | 
| 3 | Union | 166 | 
                                    
                                    51.6%
                                 | 
| 4 | Other | 43 | 
                                    
                                    13.4%
                                 | 
| Sysmiss | 110 |