| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 = Yes | 8 |
1%
|
| 2 | 2 = No | 97 |
12%
|
| 5 | 5 = Missing | 1 |
0.1%
|
| 7 | 7 = Refusal | 147 |
18.2%
|
| 9 | 9 = Not applicable | 556 |
68.7%
|