| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3158 |
70.3%
|
|
| 1 | 1050 |
23.4%
|
|
| 2 | 136 |
3%
|
|
| 3 | 139 |
3.1%
|
|
| 888 | 6 |
0.1%
|
|
| Sysmiss | 92 |