| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3288 |
17.9%
|
|
| 2 | 5417 |
29.4%
|
|
| 3 | 6396 |
34.7%
|
|
| 9 | 3310 |
18%
|
|
| Sysmiss | 213 |