| value | category | cases | |
|---|---|---|---|
| 1 | Month and year | 587 |
99.3%
|
| 2 | From calendar | 0 |
0%
|
| 5 | Year | 4 |
0.7%
|
| 6 | 0 |
0%
|
|
| 7 | Month | 0 |
0%
|
| 8 | None | 0 |
0%
|
| Sysmiss | 10054 |