| Value | Category | Cases | |
|---|---|---|---|
| 1 | month and year | 296 |
95.8%
|
| 2 | month and age | 1 |
0.3%
|
| 3 | year and age | 11 |
3.6%
|
| 4 | year | 0 |
0%
|
| 6 | age | 1 |
0.3%
|
| 7 | month | 0 |
0%
|
| 8 | none | 0 |
0%
|
| Sysmiss | 6083 |