| Value | Category | Cases | |
|---|---|---|---|
| 1 | month and year | 1040 |
67.5%
|
| 2 | month and age -y imp | 3 |
0.2%
|
| 3 | year and age - m imp | 82 |
5.3%
|
| 4 | y & age - y ignored | 0 |
0%
|
| 5 | year - a, m imp | 0 |
0%
|
| 6 | age - y, m imp | 415 |
26.9%
|
| 7 | month - a, y imp | 0 |
0%
|
| 8 | none - all imp | 0 |
0%
|
| Sysmiss | 14445 |