| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3564 |
97.8%
|
|
| 1 | 37 |
1%
|
|
| 2 | 34 |
0.9%
|
|
| 3 | 7 |
0.2%
|
|
| 4 | 1 |
0%
|
|
| Sysmiss | 4 |