| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2976 |
66.3%
|
|
| 1 | 551 |
12.3%
|
|
| 2 | 377 |
8.4%
|
|
| 3 | 581 |
12.9%
|
|
| 888 | 4 |
0.1%
|
|
| Sysmiss | 92 |