| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3635 |
83.2%
|
|
| 1 | 313 |
7.2%
|
|
| 2 | 204 |
4.7%
|
|
| 3 | 214 |
4.9%
|
|
| 888 | 5 |
0.1%
|
|
| Sysmiss | 90 |