| Value | Category | Cases | |
|---|---|---|---|
| -1 | 5 |
0.2%
|
|
| 0 | 1385 |
53.5%
|
|
| 1 | 739 |
28.6%
|
|
| 2 | 357 |
13.8%
|
|
| 3 | 100 |
3.9%
|
|
| 4 | 1 |
0%
|
|
| 15 | 1 |
0%
|
|
| Sysmiss | 8128 |