| Value | Category | Cases | |
|---|---|---|---|
| 0 | 788 |
56.4%
|
|
| 1 | 104 |
7.4%
|
|
| 2 | 20 |
1.4%
|
|
| 3 | 189 |
13.5%
|
|
| 4 | 295 |
21.1%
|
|
| Sysmiss | 174 |