| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | month and year | 408 |
66.2%
|
| 2 | month and age -y imp | 0 |
0%
|
| 3 | year and age - m imp | 111 |
18%
|
| 4 | y & age - y ignored | 20 |
3.2%
|
| 5 | year - a, m imp | 77 |
12.5%
|
| 6 | age - y, m imp | 0 |
0%
|
| 7 | month - a, y imp | 0 |
0%
|
| 8 | none - all imp | 0 |
0%
|
| Sysmiss | 530 |