| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | Month and year | 1315 |
12.3%
|
| 2 | Year and age - m imp | 1818 |
17%
|
| 3 | Year - m imp, a calc | 26 |
0.2%
|
| 4 | Age - y calc, m imp | 7415 |
69.5%
|
| 5 | Month - date placed | 12 |
0.1%
|
| 6 | None - date placed | 81 |
0.8%
|