Valeur | Catégorie | le cas | |
---|---|---|---|
1 | month and year - information complete | 1961 |
99.1%
|
2 | month and age - year imputed | 0 |
0%
|
3 | year and age - month imputed | 17 |
0.9%
|
6 | age - year/month imputed | 0 |
0%
|
7 | month - age/year imputed | 0 |
0%
|
8 | none - all imputed | 0 |
0%
|
Sysmiss | 4470 |