| Value | Category | Cases | |
|---|---|---|---|
| 1 | Mentioned | 17 |
5.1%
|
| 2 | Not mentioned | 315 |
94.6%
|
| 30 | 1 |
0.3%
|
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 940 |