| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1352 |
21.5%
|
|
| 1 | 3704 |
58.8%
|
|
| 3 | 482 |
7.7%
|
|
| 8 | 117 |
1.9%
|
|
| 9 | 639 |
10.2%
|
|
| Sysmiss | 8966 |