| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | month, year and day | 6553 |
80.3%
|
| 1 | month and year - information complete | 1320 |
16.2%
|
| 2 | month and age - year imputed | 2 |
0%
|
| 3 | year and age - month imputed | 236 |
2.9%
|
| 4 | year and age - year ignored | 0 |
0%
|
| 5 | year - age/month imputed | 34 |
0.4%
|
| 6 | age - year/month imputed | 2 |
0%
|
| 7 | month - age/year imputed | 2 |
0%
|
| 8 | none - all imputed | 8 |
0.1%
|
| Sysmiss | 7557 |