| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1332 |
8.9%
|
|
| 2 | 4322 |
29%
|
|
| 3 | 6819 |
45.7%
|
|
| 4 | 2435 |
16.3%
|
|
| Sysmiss | 1532 |