| Value | Category | Cases | |
|---|---|---|---|
| 0 | 180 |
8.1%
|
|
| 1 | 131 |
5.9%
|
|
| 2 | 436 |
19.7%
|
|
| 3 | 1468 |
66.3%
|
|
| Sysmiss | 23 |