| Value | Category | Cases | |
|---|---|---|---|
| 0 | 311 |
69.3%
|
|
| 1 | 114 |
25.4%
|
|
| 2 | 21 |
4.7%
|
|
| 3 | 3 |
0.7%
|
|
| Sysmiss | 2466 |