| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1331 |
94.6%
|
|
| 1 | 42 |
3%
|
|
| 2 | 15 |
1.1%
|
|
| 4 | 17 |
1.2%
|
|
| 12 | 2 |
0.1%
|
|
| Sysmiss | 855 |