| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 month to less than 3 months | 3 |
0%
|
| 2 | Less than 1 month | 6 |
0.1%
|
| 3 | not administered | 8790 |
99.5%
|
| 4 | Not returning | 3 |
0%
|
| 5 | Not sure when returning | 28 |
0.3%
|