| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 15 |
1.4%
|
| -7 | Does not apply | 632 |
59.5%
|
| 0 | No impact | 405 |
38.1%
|
| 1 | Minor impact | 4 |
0.4%
|
| 2 | Moderate impact | 5 |
0.5%
|
| 3 | Major impact | 1 |
0.1%
|
| 4 | Very major impact | 0 |
0%
|
| Sysmiss | 1007 |