| Value | Category | Cases | |
|---|---|---|---|
| -1 | 300 |
11.2%
|
|
| 0 | 1812 |
67.6%
|
|
| 1 | 555 |
20.7%
|
|
| 2 | 6 |
0.2%
|
|
| 3 | 4 |
0.1%
|
|
| 4 | 2 |
0.1%
|
|
| 8 | 1 |
0%
|
|
| Sysmiss | 8036 |