| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2953 |
62.4%
|
|
| 1 | 845 |
17.9%
|
|
| 2 | 625 |
13.2%
|
|
| 3 | 303 |
6.4%
|
|
| 888 | 4 |
0.1%
|
|
| Sysmiss | 99 |