| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 912 |
4.2%
|
| 2 | Yes, sometimes | 1046 |
4.8%
|
| 3 | No, never | 19399 |
89.8%
|
| 9 | Unspecified | 244 |
1.1%
|