| Value | Category | 
|---|---|
| 0 | N/A | 
| 1 | Yes, I did, working continuously for all three months | 
| 2 | Yes, I did, working for all three months, but was absent from work for some or all of the time for various reasons | 
| 3 | Yes, I did, but with interruptions during the period | 
| 4 | No, I did not have any job |