| Value | Category | Cases | |
|---|---|---|---|
| 1 | 18 |
4.9%
|
|
| 2 | 12 |
3.3%
|
|
| 3 | 336 |
91.6%
|
|
| 4 | 1 |
0.3%
|
|
| Sysmiss | 9 |