| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.7%
|
|
| 1 | 268 |
94.7%
|
|
| 2 | 11 |
3.9%
|
|
| 3 | 2 |
0.7%
|
|
| Sysmiss | 3 |