| Value | Category | Cases | |
|---|---|---|---|
| 1 | 21 |
4.9%
|
|
| 2 | 394 |
92.7%
|
|
| 3 | 7 |
1.6%
|
|
| 4 | 3 |
0.7%
|
|
| Sysmiss | 941 |