| Value | Category | Cases | |
|---|---|---|---|
| 1 | 16 |
4.9%
|
|
| 2 | 241 |
74.2%
|
|
| 3 | 37 |
11.4%
|
|
| 4 | 31 |
9.5%
|
|
| Sysmiss | 1 |