| Value | Category | Cases | |
|---|---|---|---|
| 1 | After 3 months | 28 |
66.7%
|
| 2 | Between 3-6 months | 9 |
21.4%
|
| 3 | Between 6-12 months | 5 |
11.9%
|
| 4 | After a year | 0 |
0%
|
| 5 | Cannot attend a session at all | 0 |
0%
|
| Sysmiss | 1958 |