| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | month and year | 5471 |
26.6%
|
| 2 | month and age -y imp | 80 |
0.4%
|
| 3 | year and age - m imp | 11397 |
55.4%
|
| 5 | year - a, m imp | 144 |
0.7%
|
| 6 | age - y, m imp | 3255 |
15.8%
|
| 7 | month - a, y imp | 0 |
0%
|
| 8 | none - all imp | 243 |
1.2%
|
| Sysmiss | 65 |