| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
0.9%
|
| -7 | Does not apply is a floor in a building (spontaneous) | 7 |
1%
|
| 0 | 164 |
24.2%
|
|
| 1 | 2 |
0.3%
|
|
| 5 | 1 |
0.1%
|
|
| 10 | 4 |
0.6%
|
|
| 20 | 8 |
1.2%
|
|
| 23 | 1 |
0.1%
|
|
| 25 | 3 |
0.4%
|
|
| 30 | 3 |
0.4%
|
|
| 33 | 3 |
0.4%
|
|
| 35 | 1 |
0.1%
|
|
| 40 | 4 |
0.6%
|
|
| 50 | 19 |
2.8%
|
|
| 60 | 4 |
0.6%
|
|
| 70 | 9 |
1.3%
|
|
| 73 | 1 |
0.1%
|
|
| 75 | 3 |
0.4%
|
|
| 78 | 1 |
0.1%
|
|
| 80 | 17 |
2.5%
|
|
| 85 | 2 |
0.3%
|
|
| 90 | 15 |
2.2%
|
|
| 95 | 4 |
0.6%
|
|
| 97 | 1 |
0.1%
|
|
| 98 | 1 |
0.1%
|
|
| 99 | 3 |
0.4%
|
|
| 100 | 392 |
57.7%
|
|
| Sysmiss | 276 |