| Value |
Category |
| -99 |
Observation not possible |
| -98 |
|
| -95 |
|
| 1 |
Very strong odor |
| 2 |
Some odor |
| 3 |
Little or not odor |
| 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.