| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1653 |
52.5%
|
| 1 | Once | 15 |
0.5%
|
| 2 | More than once | 8 |
0.3%
|
| 3 | Not applicable | 1473 |
46.8%
|
| Sysmiss | 1 |