| Value | Category | Cases | |
|---|---|---|---|
| 1 | Month and year | 5348 |
94.2%
|
| 2 | Month and age | 0 |
0%
|
| 3 | Year and age | 194 |
3.4%
|
| 4 | Year | 0 |
0%
|
| 5 | Not coded | 0 |
0%
|
| 6 | Age | 135 |
2.4%
|
| 7 | Month | 0 |
0%
|
| 8 | None | 0 |
0%
|
| Sysmiss | 30143 |