| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
2.4%
|
|
| 1 | 47 |
56%
|
|
| 2 | 26 |
31%
|
|
| 3 | 7 |
8.3%
|
|
| 4 | 2 |
2.4%
|
|
| Sysmiss | 261 |