| Value | Category | Cases | |
|---|---|---|---|
| 0 | 484 |
12.2%
|
|
| 1 | 240 |
6.1%
|
|
| 2 | 640 |
16.2%
|
|
| 3 | 2596 |
65.6%
|
|
| Sysmiss | 10 |