| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, often | 464 |
0.7%
|
| 2 | Yes once or twice | 1372 |
2.1%
|
| 3 | No | 45848 |
69.6%
|
| 4 | Not applicable | 18177 |
27.6%
|
| Sysmiss | 19 |