| Value | Category | Cases | |
|---|---|---|---|
| 0 | 725 |
45.4%
|
|
| 1 | 318 |
19.9%
|
|
| 2 | 316 |
19.8%
|
|
| 3 | 237 |
14.8%
|
|
| Sysmiss | 99 |