| Value | Category | Cases | |
|---|---|---|---|
| 1 | Month 1 to Month 3 | 35 |
14.9%
|
| 2 | Month 4 to Month 6 | 185 |
78.7%
|
| 3 | Month 7 to Month 9 | 14 |
6%
|
| 4 | Don't know | 1 |
0.4%
|
| Sysmiss | 1720 |