| Value | Category | Cases | |
|---|---|---|---|
| -1 | 1 |
0.9%
|
|
| 1 | 35 |
30.7%
|
|
| 5 | 12 |
10.5%
|
|
| 6 | 64 |
56.1%
|
|
| 7 | 1 |
0.9%
|
|
| 13 | 1 |
0.9%
|
|
| Sysmiss | 935 |