| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, human | 15 |
0.9%
|
| 2 | Yes material | 71 |
4.2%
|
| 3 | both | 2 |
0.1%
|
| 4 | no | 34 |
2%
|
| Sysmiss | 1581 |