| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | month, year and day | 2587 |
22.9%
|
| 1 | month and year | 3078 |
27.3%
|
| 2 | from calendar | 2959 |
26.2%
|
| 5 | year | 2628 |
23.3%
|
| 7 | month | 6 |
0.1%
|
| 8 | none | 15 |
0.1%
|
| Sysmiss | 40319 |