| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | Month and year - information complete | 3314 |
98.4%
|
| 2 | Month and age - year imputed | 0 |
0%
|
| 3 | Year and age - month imputed | 35 |
1%
|
| 6 | Age - year/month imputed | 19 |
0.6%
|
| 7 | Month - age/year imputed | 0 |
0%
|
| 8 | None - all imputed | 0 |
0%
|
| Sysmiss | 21131 |