| Value | Category | Cases | |
|---|---|---|---|
| 0 | 520 |
92%
|
|
| 1 | 7 |
1.2%
|
|
| 2 | 23 |
4.1%
|
|
| 3 | 15 |
2.7%
|
|
| Sysmiss | 326 |