| Value | Category | Cases | |
|---|---|---|---|
| 0 | 280 |
11.4%
|
|
| 1 | 898 |
36.4%
|
|
| 2 | 865 |
35.1%
|
|
| 3 | 423 |
17.2%
|
|
| Sysmiss | 242 |