| Value | Category | Cases | |
|---|---|---|---|
| 0 | 683 |
28.4%
|
|
| 1 | 923 |
38.4%
|
|
| 2 | 368 |
15.3%
|
|
| 3 | 248 |
10.3%
|
|
| 4 | 183 |
7.6%
|
|
| Sysmiss | 922 |