| Value | Category | Cases | |
|---|---|---|---|
| 0 | 231 |
7.6%
|
|
| 1 | 2380 |
78.5%
|
|
| 2 | 314 |
10.4%
|
|
| 3 | 106 |
3.5%
|
|
| Sysmiss | 1049 |