| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1218 |
81%
|
|
| 1 | 154 |
10.2%
|
|
| 2 | 89 |
5.9%
|
|
| 3 | 24 |
1.6%
|
|
| 888 | 18 |
1.2%
|
|
| Sysmiss | 92 |