| Value | Category | Cases | |
|---|---|---|---|
| 1 | Glass | 122 |
3.8%
|
| 2 | Screens | 69 |
2.2%
|
| 3 | Shutters | 2123 |
66.6%
|
| 4 | Curtains | 41 |
1.3%
|
| 5 | No covering | 103 |
3.2%
|
| 6 | No windows | 731 |
22.9%
|
| Sysmiss | 1 |