| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1311 |
87.2%
|
|
| 1 | 97 |
6.5%
|
|
| 2 | 63 |
4.2%
|
|
| 3 | 18 |
1.2%
|
|
| 888 | 14 |
0.9%
|
|
| Sysmiss | 92 |