| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 11 |
2.1%
|
| 1 | 1 Per Day | 499 |
94%
|
| 2 | 2 Per Day | 21 |
4%
|
| 11 | .B | 1 | |
| Sysmiss | 371 |