| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -6 | Still in progress | 0 |
0%
|
| 1 | One week or less | 26 |
72.2%
|
| 2 | 3 |
8.3%
|
|
| 4 | 4 |
11.1%
|
|
| 14 | 1 |
2.8%
|
|
| 21 | 1 |
2.8%
|
|
| 30 | 1 |
2.8%
|
|
| Sysmiss | 475 |