| Value | Category | 
|---|---|
| 1 | Did not need any | 
| 2 | Unaware of the program | 
| 3 | Did not know how to apply | 
| 4 | Complicated administrative procedure | 
| 5 | Expensive administrative procedure | 
| 6 | I know I do not meet conditions | 
| 7 | I was told I do not meet conditions | 
| 96 | Other | 
| 99 | Missing | 
| Sysmiss |