| Value | Category | Cases | |
|---|---|---|---|
| 1 | 464 |
12.2%
|
|
| 3 | 3087 |
81.3%
|
|
| 8 | 128 |
3.4%
|
|
| 9 | 119 |
3.1%
|
|
| Sysmiss | 3497 |