| Value | Category | Cases | |
|---|---|---|---|
| 1 | 35 |
4.4%
|
|
| 2 | 45 |
5.7%
|
|
| 3 | 35 |
4.4%
|
|
| 4 | 672 |
85.4%
|
|
| Sysmiss | 2 |