| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 650 |
18.4%
|
| 1 | Yes, more than once in the last six months | 2105 |
59.5%
|
| 2 | Yes, once in the last six months | 784 |
22.2%
|
| Sysmiss | 5550 |