| Value | Category | Cases | |
|---|---|---|---|
| 0 | 494 |
91.1%
|
|
| 1 | 38 |
7%
|
|
| 2 | 7 |
1.3%
|
|
| 3 | 3 |
0.6%
|
|
| Sysmiss | 19 |