| Value | Category | Cases | |
|---|---|---|---|
| -1 | 12 |
0.1%
|
|
| 0 | 7210 |
88.6%
|
|
| 1 | 664 |
8.2%
|
|
| 2 | 4 |
0%
|
|
| 3 | 41 |
0.5%
|
|
| 4 | 206 |
2.5%
|
|
| Sysmiss | 2579 |