| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1260 |
8.9%
|
|
| 2 | 3956 |
28.1%
|
|
| 3 | 6391 |
45.3%
|
|
| 4 | 2492 |
17.7%
|
|
| Sysmiss | 188 |