| Value | Category | Cases | |
|---|---|---|---|
| 0 | 41 |
3.4%
|
|
| 1 | 63 |
5.3%
|
|
| 2 | 162 |
13.5%
|
|
| 3 | 933 |
77.8%
|
|
| Sysmiss | 2800 |