| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1215 |
31.7%
|
|
| 1 | 2487 |
64.8%
|
|
| 2 | 102 |
2.7%
|
|
| 3 | 31 |
0.8%
|
|
| 4 | 3 |
0.1%
|
|
| Sysmiss | 117 |