| Value | Category | Cases | |
|---|---|---|---|
| 1 | Month and year | 1306 |
98%
|
| 2 | From calendar | 0 |
0%
|
| 5 | Year | 24 |
1.8%
|
| 7 | Month | 0 |
0%
|
| 8 | None | 2 |
0.2%
|
| Sysmiss | 29747 |