| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, seen | 2016 |
87.8%
|
| 2 | Yes, not seen | 210 |
9.1%
|
| 3 | No | 71 |
3.1%
|
| 4 | ??? | 0 |
0%
|
| 9 | Missing | 0 |
0%
|
| Sysmiss | 35 |