| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 695 |
35%
|
| 2 | Once | 12 |
0.6%
|
| 3 | More than once | 19 |
1%
|
| 4 | Not applicable | 1257 |
63.2%
|
| Sysmiss | 5 |