| 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.