| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3779 |
84.2%
|
|
| 1 | 364 |
8.1%
|
|
| 2 | 240 |
5.3%
|
|
| 3 | 87 |
1.9%
|
|
| 888 | 19 |
0.4%
|
|
| Sysmiss | 92 |