| Value | Category | Cases | |
|---|---|---|---|
| 1 | Mentioned | 51 |
15.3%
|
| 2 | Not mentioned | 282 |
84.4%
|
| 28 | 1 |
0.3%
|
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 939 |