| Value | Category | Cases | |
|---|---|---|---|
| 1 | Month and year - information complete | 4767 |
99.9%
|
| 5 | Year - month imputed, age calculated | 0 |
0%
|
| 7 | Month - date placed | 0 |
0%
|
| 8 | None - date placed | 7 |
0.1%
|
| 9 | From calendar | 0 |
0%
|
| Sysmiss | 16190 |