| Value | Category | Cases | |
|---|---|---|---|
| 1 | Self_Daily | 5 | 
                                    
                                    7%
                                 | 
| 2 | Self_Monthly | 21 | 
                                    
                                    29.6%
                                 | 
| 3 | Self_Permanent | 8 | 
                                    
                                    11.3%
                                 | 
| Missing value | 37 | 
                                    
                                    52.1%
                                 |