| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -6 | Still in progress | 0 |
0%
|
| 1 | One week or less | 16 |
61.5%
|
| 2 | 3 |
11.5%
|
|
| 4 | 4 |
15.4%
|
|
| 6 | 1 |
3.8%
|
|
| 8 | 1 |
3.8%
|
|
| 14 | 1 |
3.8%
|
|
| Sysmiss | 136 |