| Value | Category | Cases | |
|---|---|---|---|
| 1 | Last 1 month | 142 |
15.6%
|
| 2 | 1-3 months | 253 |
27.8%
|
| 3 | 4-6 months | 281 |
30.9%
|
| 4 | 7-12 months | 233 |
25.6%
|
| e | Skipped in error | 0 | |
| m | Not administered in this wave | 0 | |
| z | Not applicable | 0 |