| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1425 |
9.2%
|
|
| 2 | 4290 |
27.8%
|
|
| 3 | 6725 |
43.6%
|
|
| 4 | 2976 |
19.3%
|
|
| Sysmiss | 1154 |