| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1368 |
47.7%
|
|
| 1 | 654 |
22.8%
|
|
| 2 | 601 |
20.9%
|
|
| 3 | 158 |
5.5%
|
|
| 4 | 89 |
3.1%
|
|
| Sysmiss | 4 |