| Value | Category | Cases | |
|---|---|---|---|
| 0 | 452 |
86.6%
|
|
| 1 | 66 |
12.6%
|
|
| 2 | 3 |
0.6%
|
|
| 3 | 1 |
0.2%
|
|
| Sysmiss | 39 |