Value |
Category |
1 |
dans des contenants ouverts |
2 |
dans des contenants fermes |
3 |
autrement |
4 |
pas de stockage |
7 |
nsp |
8 |
nr |
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.