| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1947 |
61.8%
|
| 1 | Once | 0 |
0%
|
| 2 | More than once | 1 |
0%
|
| 3 | Not applicable | 1201 |
38.1%
|
| Sysmiss | 1 |