| Value | Category | Cases | |
|---|---|---|---|
| 0 | 34 |
2.6%
|
|
| 1 | 96 |
7.5%
|
|
| 2 | 186 |
14.5%
|
|
| 3 | 215 |
16.7%
|
|
| 4 | 236 |
18.4%
|
|
| 5 | 226 |
17.6%
|
|
| 6 | 188 |
14.6%
|
|
| 7 | 104 |
8.1%
|
|
| Sysmiss | 13 |