| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | < 6 months | 24 |
7.7%
|
| 2 | 6-11 months | 34 |
10.9%
|
| 3 | 12-23 months | 59 |
18.8%
|
| 4 | 24-35 months | 54 |
17.3%
|
| 5 | 36-47 months | 64 |
20.4%
|
| 6 | 48-59 months | 78 |
24.9%
|