| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 |
2.5%
|
|
| 1 | 292 |
91.3%
|
|
| 2 | 18 |
5.6%
|
|
| 3 | 2 |
0.6%
|
|
| Sysmiss | 9401 |