| Value | Category | Cases | |
|---|---|---|---|
| 1 | month and year | 5637 |
99.6%
|
| 5 | year - m imp, a calc | 18 |
0.3%
|
| 7 | month - date placed | 1 |
0%
|
| 8 | none - date placed | 5 |
0.1%
|
| 9 | from calendar | 0 |
0%
|
| 11 | .Z | 13093 |