Value |
Category |
1 |
mensuel |
2 |
tous les 3 mois |
3 |
tous les 6 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.