Value |
Category |
1 |
Mensuel |
2 |
Tous les trois mois |
3 |
Tous les six mois |
4 |
Tous les ans |
7 |
Autre |
9 |
ND |
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.