| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | month and year | 1572 |
84.4%
|
| 5 | year - m imp, a calc | 246 |
13.2%
|
| 6 | 0 |
0%
|
|
| 7 | month - date placed | 1 |
0.1%
|
| 8 | none - date placed | 43 |
2.3%
|
| 9 | from calendar | 0 |
0%
|
| Sysmiss | 10615 |