| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3565 |
97.9%
|
|
| 1 | 12 |
0.3%
|
|
| 2 | 19 |
0.5%
|
|
| 3 | 44 |
1.2%
|
|
| 4 | 3 |
0.1%
|
|
| Sysmiss | 4 |