| Value | Category | Cases | |
|---|---|---|---|
| 1 | month and year | 11385 |
73.8%
|
| 2 | from calendar | 258 |
1.7%
|
| 5 | year | 3776 |
24.5%
|
| 7 | month | 0 |
0%
|
| 8 | none | 0 |
0%
|
| Sysmiss | 47174 |