| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 4517 |
84.3%
|
| 1 | 106 |
2%
|
|
| 9 | 170 |
3.2%
|
|
| 10 | Foam/jelly | 439 |
8.2%
|
| 91 | 128 |
2.4%
|
|
| 97 | Missing | 0 |
0%
|
| Sysmiss | 3366 |