| Value | Category | Cases | |
|---|---|---|---|
| 1 | Allow | 961 |
39.8%
|
| 2 | Uncertain | 296 |
12.3%
|
| 3 | Not allow | 1072 |
44.4%
|
| 4 | Refuse to answer | 83 |
3.4%
|
| Sysmiss | 7 |