| قيمة | فئة | حالات | |
|---|---|---|---|
| 0 | Month, year and day | 5929 |
93.5%
|
| 1 | Month and year | 133 |
2.1%
|
| 2 | Month and age -y imp | 22 |
0.3%
|
| 3 | Year and age - m imp | 126 |
2%
|
| 4 | Y & age - y ignored | 48 |
0.8%
|
| 5 | Year - a, m imp | 0 |
0%
|
| 6 | Age - y, m imp | 56 |
0.9%
|
| 7 | Month - a, y imp | 0 |
0%
|
| 8 | None - all imp | 27 |
0.4%
|
| Sysmiss | 14926 |