| Value | Category | Cases | |
|---|---|---|---|
| 0 | 15 |
14.9%
|
|
| 1 | 77 |
76.2%
|
|
| 2 | 8 |
7.9%
|
|
| 3 | 1 |
1%
|
|
| Sysmiss | 897 |