| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 14 |
12%
|
| -6 | Still in progress | 0 |
0%
|
| 1 | One week or less | 21 |
17.9%
|
| 2 | 15 |
12.8%
|
|
| 3 | 14 |
12%
|
|
| 4 | 25 |
21.4%
|
|
| 5 | 6 |
5.1%
|
|
| 6 | 4 |
3.4%
|
|
| 8 | 5 |
4.3%
|
|
| 12 | 5 |
4.3%
|
|
| 20 | 1 |
0.9%
|
|
| 24 | 2 |
1.7%
|
|
| 30 | 4 |
3.4%
|
|
| 60 | 1 |
0.9%
|
|
| Sysmiss | 357 |