| Value | Category | Cases | |
|---|---|---|---|
| 1 | Dont know | 3 |
0.1%
|
| 2 | No | 363 |
9.9%
|
| 3 | Other | 2 |
0.1%
|
| 4 | Yes, verbal | 3122 |
85.2%
|
| 5 | Yes, written - official (stamped) | 55 |
1.5%
|
| 6 | Yes, written - unofficial | 121 |
3.3%
|