| Value | Category | Cases | |
|---|---|---|---|
| 0 | 312 |
62.4%
|
|
| 1 | 18 |
3.6%
|
|
| 2 | 33 |
6.6%
|
|
| 3 | 19 |
3.8%
|
|
| 4 | 118 |
23.6%
|
|
| Sysmiss | 1 |