| Value | Category | Cases | |
|---|---|---|---|
| 1 | month and year | 65 |
98.5%
|
| 5 | year - m imp, a calc | 1 |
1.5%
|
| 7 | month - date placed | 0 |
0%
|
| 8 | none - date placed | 0 |
0%
|
| 9 | from calendar | 0 |
0%
|
| Sysmiss | 146 |