| Value | Category | Cases | |
|---|---|---|---|
| 1 | Month and year | 1956 |
99.6%
|
| 2 | From calendar | 0 |
0%
|
| 5 | Year | 8 |
0.4%
|
| 6 | 0 |
0%
|
|
| 7 | Month | 0 |
0%
|
| 8 | None | 0 |
0%
|