| Value | Category | Cases | |
|---|---|---|---|
| 1 | Allow | 1149 |
47.7%
|
| 2 | Uncertain | 282 |
11.7%
|
| 3 | Not allow | 890 |
36.9%
|
| 4 | Refuse to answer | 90 |
3.7%
|
| Sysmiss | 8 |