| Value | Category | Cases | |
|---|---|---|---|
| 0 | month, year and day | 2782 |
34%
|
| 1 | month and year | 1433 |
17.5%
|
| 2 | from calendar | 2393 |
29.2%
|
| 5 | year | 1585 |
19.3%
|
| 7 | month | 0 |
0%
|
| 8 | none | 0 |
0%
|
| Sysmiss | 32201 |