| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | month, year and day | 133 |
19%
|
| 1 | month and year | 208 |
29.7%
|
| 2 | from calendar | 227 |
32.4%
|
| 5 | year | 131 |
18.7%
|
| 7 | month | 0 |
0%
|
| 8 | none | 1 |
0.1%
|
| Sysmiss | 3997 |