| Value | Category | Cases | |
|---|---|---|---|
| -1 | 371 |
4.5%
|
|
| 0 | 5789 |
69.8%
|
|
| 1 | 1612 |
19.4%
|
|
| 2 | 258 |
3.1%
|
|
| 3 | 116 |
1.4%
|
|
| 4 | 63 |
0.8%
|
|
| 5 | 86 |
1%
|
|
| Sysmiss | 515 |