| Value | Category | Cases | |
|---|---|---|---|
| -1 | 322 |
3.9%
|
|
| 0 | 5088 |
61.3%
|
|
| 1 | 2084 |
25.1%
|
|
| 2 | 464 |
5.6%
|
|
| 3 | 148 |
1.8%
|
|
| 4 | 117 |
1.4%
|
|
| 5 | 16 |
0.2%
|
|
| 7 | 30 |
0.4%
|
|
| 8 | 26 |
0.3%
|
|
| Sysmiss | 515 |