| Value | Category | Cases | |
|---|---|---|---|
| -7 | Not applicable | 0 |
0%
|
| 0 | 335 |
83.5%
|
|
| 1 | 56 |
14%
|
|
| 2 | 8 |
2%
|
|
| 3 | 2 |
0.5%
|
|
| Sysmiss | 1206 |