| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3780 |
84.2%
|
|
| 1 | 333 |
7.4%
|
|
| 2 | 229 |
5.1%
|
|
| 3 | 113 |
2.5%
|
|
| 888 | 34 |
0.8%
|
|
| Sysmiss | 92 |