| Value | Category | Cases | |
|---|---|---|---|
| 0 | 124 |
34.4%
|
|
| 1 | 155 |
43.1%
|
|
| 2 | 70 |
19.4%
|
|
| 3 | 11 |
3.1%
|
|
| Sysmiss | 1841 |