| Value | Category | Cases | |
|---|---|---|---|
| 0 | 294 |
13.3%
|
|
| 1 | 1669 |
75.7%
|
|
| 2 | 213 |
9.7%
|
|
| 3 | 30 |
1.4%
|
|
| Sysmiss | 3016 |