| Value | Category | Cases | |
|---|---|---|---|
| 0 | 257 |
93.8%
|
|
| 1 | 2 |
0.7%
|
|
| 2 | 7 |
2.6%
|
|
| 3 | 8 |
2.9%
|
|
| Sysmiss | 351 |