| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2926 |
65.2%
|
|
| 1 | 841 |
18.7%
|
|
| 2 | 459 |
10.2%
|
|
| 3 | 256 |
5.7%
|
|
| 888 | 7 |
0.2%
|
|
| Sysmiss | 92 |