| Value | Category | Cases | |
|---|---|---|---|
| 1 | Allow | 1109 |
46%
|
| 2 | Uncertain | 274 |
11.4%
|
| 3 | Not allow | 935 |
38.8%
|
| 4 | Refuse to answer | 93 |
3.9%
|
| Sysmiss | 8 |