| Value | Category | Cases | |
|---|---|---|---|
| 0 | 314 |
47.4%
|
|
| 1 | 313 |
47.2%
|
|
| 2 | 35 |
5.3%
|
|
| 3 | 1 |
0.2%
|
|
| Sysmiss | 529 |