| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 month | 343 |
5.2%
|
| 2 | 1-3 months | 1735 |
26.1%
|
| 3 | 4-6 months | 1917 |
28.9%
|
| 4 | 7-9 months | 768 |
11.6%
|
| 5 | 10-12 months | 1874 |
28.2%
|
| 98 | Missing response | 159 | |
| 99 | Not applicable | 10238 |