| Value |
Category |
| 1 |
Glass louvers, windows |
| 2 |
Shutters, wooden louvers |
| 3 |
Opening which cannot be closed |
| 4 |
No openings |
| 5 |
Other |
| Sysmiss |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.