| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -6 | Still in progress | 0 |
0%
|
| 1 | One week or less | 30 |
23.3%
|
| 2 | 12 |
9.3%
|
|
| 3 | 3 |
2.3%
|
|
| 4 | 59 |
45.7%
|
|
| 5 | 2 |
1.6%
|
|
| 6 | 2 |
1.6%
|
|
| 8 | 11 |
8.5%
|
|
| 12 | 8 |
6.2%
|
|
| 30 | 2 |
1.6%
|
|
| Sysmiss | 869 |