| Value | Category | Cases | |
|---|---|---|---|
| 0 | 152 |
7.1%
|
|
| 1 | 318 |
14.7%
|
|
| 2 | 670 |
31.1%
|
|
| 3 | 704 |
32.7%
|
|
| 4 | 312 |
14.5%
|
|
| Sysmiss | 7 |