| Value | Category | Cases | |
|---|---|---|---|
| 0 | 396 |
47.7%
|
|
| 1 | 182 |
21.9%
|
|
| 2 | 186 |
22.4%
|
|
| 3 | 67 |
8.1%
|
|
| Sysmiss | 407 |