| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
2.3%
|
| -6 | Still in progress | 2 |
1.5%
|
| 1 | One week or less | 25 |
18.9%
|
| 2 | 9 |
6.8%
|
|
| 3 | 4 |
3%
|
|
| 4 | 48 |
36.4%
|
|
| 5 | 3 |
2.3%
|
|
| 6 | 6 |
4.5%
|
|
| 8 | 16 |
12.1%
|
|
| 12 | 6 |
4.5%
|
|
| 13 | 1 |
0.8%
|
|
| 14 | 3 |
2.3%
|
|
| 16 | 1 |
0.8%
|
|
| 30 | 4 |
3%
|
|
| 60 | 1 |
0.8%
|
|
| Sysmiss | 228 |