| Value | Category | Cases | |
|---|---|---|---|
| 1 | Month 1 to Month 3 | 64 |
25.2%
|
| 2 | Month 4 to Month 6 | 149 |
58.7%
|
| 3 | Month 7 to Month 9 | 40 |
15.7%
|
| 4 | Don't know | 1 |
0.4%
|
| Sysmiss | 2701 |