| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3481 |
60%
|
|
| 1 | 2252 |
38.8%
|
|
| 2 | 62 |
1.1%
|
|
| 6 | 1 |
0%
|
|
| 8 | 3 |
0.1%
|
|
| 12 | 1 |
0%
|
|
| Sysmiss | 4 |