| Value | Category | Cases | |
|---|---|---|---|
| 1 | 9 |
0.9%
|
|
| 2 | 15 |
1.6%
|
|
| 3 | 57 |
6%
|
|
| 4 | 871 |
91.5%
|
|
| Sysmiss | 10 |