| Value | Category | Cases | |
|---|---|---|---|
| 0 | 261 |
11.7%
|
|
| 1 | 309 |
13.9%
|
|
| 2 | 840 |
37.8%
|
|
| 3 | 634 |
28.5%
|
|
| 4 | 178 |
8%
|
|
| Sysmiss | 7 |