| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1342 |
89.3%
|
|
| 1 | 117 |
7.8%
|
|
| 2 | 22 |
1.5%
|
|
| 3 | 21 |
1.4%
|
|
| 888 | 1 |
0.1%
|
|
| Sysmiss | 92 |