| Value | Category | Cases | |
|---|---|---|---|
| 1 | 15 |
4.8%
|
|
| 2 | 51 |
16.2%
|
|
| 3 | 131 |
41.7%
|
|
| 4 | 117 |
37.3%
|
|
| Sysmiss | 2066 |