| Value | Category | Cases | |
|---|---|---|---|
| -9 | 21 |
7%
|
|
| -7 | 17 |
5.6%
|
|
| 0 | 215 |
71.4%
|
|
| 1 | 10 |
3.3%
|
|
| 2 | 4 |
1.3%
|
|
| 3 | 4 |
1.3%
|
|
| 4 | 1 |
0.3%
|
|
| 5 | 5 |
1.7%
|
|
| 10 | 10 |
3.3%
|
|
| 15 | 3 |
1%
|
|
| 20 | 6 |
2%
|
|
| 30 | 5 |
1.7%
|
|
| Sysmiss | 101 |