| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.6%
|
| -7 | Does not apply is a floor in a building (spontaneous) | 9 |
2.5%
|
| 0 | 87 |
24.2%
|
|
| 1 | 1 |
0.3%
|
|
| 4 | 1 |
0.3%
|
|
| 5 | 2 |
0.6%
|
|
| 10 | 2 |
0.6%
|
|
| 15 | 1 |
0.3%
|
|
| 20 | 3 |
0.8%
|
|
| 25 | 2 |
0.6%
|
|
| 30 | 4 |
1.1%
|
|
| 40 | 5 |
1.4%
|
|
| 50 | 13 |
3.6%
|
|
| 60 | 3 |
0.8%
|
|
| 65 | 1 |
0.3%
|
|
| 70 | 9 |
2.5%
|
|
| 75 | 1 |
0.3%
|
|
| 80 | 5 |
1.4%
|
|
| 85 | 1 |
0.3%
|
|
| 90 | 6 |
1.7%
|
|
| 95 | 1 |
0.3%
|
|
| 98 | 1 |
0.3%
|
|
| 99 | 1 |
0.3%
|
|
| 100 | 199 |
55.3%
|