| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3541 |
97.2%
|
|
| 1 | 40 |
1.1%
|
|
| 2 | 40 |
1.1%
|
|
| 3 | 22 |
0.6%
|
|
| Sysmiss | 4 |