| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 9 |
1.8%
|
| 1 | Yes | 481 |
97.4%
|
| 996 | Refuse to answer | 1 |
0.2%
|
| 997 | Don't know what it is/don’t understand | 2 |
0.4%
|
| 999 | Don't know | 1 |
0.2%
|