| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | Currently using | 8873 |
15.8%
|
| 2 | Used since last birth | 2321 |
4.1%
|
| 3 | Used before last birth | 2964 |
5.3%
|
| 4 | Never used | 42020 |
74.8%
|