| Value | Category | Cases | |
|---|---|---|---|
| 0 | 230 |
8.2%
|
|
| 1 | 339 |
12.1%
|
|
| 2 | 579 |
20.7%
|
|
| 3 | 1651 |
59%
|
|
| Sysmiss | 1200 |