Value |
Category |
1 |
pas de traitement |
2 |
Ébullition |
3 |
ajout de chlore |
4 |
ajout d'iode |
7 |
autre |
9 |
|
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.