| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply is a floor in a building (spontaneous) | 14 |
11.7%
|
| 0 | 63 |
52.5%
|
|
| 10 | 1 |
0.8%
|
|
| 50 | 1 |
0.8%
|
|
| 100 | 41 |
34.2%
|