| Value | Category | Cases | |
|---|---|---|---|
| 1 | Glass | 483 |
27.4%
|
| 2 | Wood shutters | 1176 |
66.8%
|
| 3 | No cover | 63 |
3.6%
|
| 4 | Other (specify) | 6 |
0.3%
|
| 5 | No window | 26 |
1.5%
|
| 8 | 5 |
0.3%
|
|
| 9 | 1 |
0.1%
|
|
| Sysmiss | 1644 |