| Value | Category | Cases | |
|---|---|---|---|
| 1 | Month 1 to Month 3 | 28 |
13.3%
|
| 2 | Month 4 to Month 6 | 151 |
71.6%
|
| 3 | Month 7 to Month 9 | 22 |
10.4%
|
| 4 | Don't know | 10 |
4.7%
|
| Sysmiss | 2558 |