| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
0.3%
|
|
| 1 | 136 |
8.9%
|
|
| 2 | 110 |
7.2%
|
|
| 3 | 1279 |
83.6%
|
|
| Sysmiss | 23631 |