Valeur | Catégorie | le cas | |
---|---|---|---|
1 | month and year | 93 |
75%
|
5 | year - m imp, a calc | 25 |
20.2%
|
7 | month - date placed | 0 |
0%
|
8 | none - date placed | 6 |
4.8%
|
Sysmiss | 20531 |