| Value | Category | Cases | |
|---|---|---|---|
| 0 | 109 |
13.5%
|
|
| 1 | 32 |
4%
|
|
| 2 | 48 |
6%
|
|
| 3 | 222 |
27.5%
|
|
| 4 | 395 |
49%
|
|
| Sysmiss | 889 |