| value | category | cases | |
|---|---|---|---|
| 1 | Month and year | 9 |
33.3%
|
| 2 | Month and age | 0 |
0%
|
| 3 | Year and age | 0 |
0%
|
| 4 | Year | 6 |
22.2%
|
| 5 | 0 |
0%
|
|
| 6 | Age | 12 |
44.4%
|
| 7 | Month | 0 |
0%
|
| 8 | None | 0 |
0%
|
| Sysmiss | 9070 |