| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 week | 1 |
0.1%
|
| 2 | 1 month | 16 |
1.2%
|
| 3 | 2-3 months | 161 |
12.3%
|
| 4 | 3-6 months | 111 |
8.5%
|
| 5 | 6 months + | 521 |
39.9%
|
| 6 | Do not know | 491 |
37.6%
|
| 7 | Prefer not to answer | 6 |
0.5%
|