| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
3.3%
|
| -6 | Still in progress | 0 |
0%
|
| 1 | One week or less | 46 |
30.3%
|
| 2 | 25 |
16.4%
|
|
| 3 | 8 |
5.3%
|
|
| 4 | 28 |
18.4%
|
|
| 5 | 4 |
2.6%
|
|
| 6 | 15 |
9.9%
|
|
| 7 | 1 |
0.7%
|
|
| 8 | 6 |
3.9%
|
|
| 9 | 1 |
0.7%
|
|
| 12 | 6 |
3.9%
|
|
| 14 | 2 |
1.3%
|
|
| 16 | 2 |
1.3%
|
|
| 28 | 1 |
0.7%
|
|
| 30 | 1 |
0.7%
|
|
| 36 | 1 |
0.7%
|
|
| Sysmiss | 206 |