| Value | Category | Cases | |
|---|---|---|---|
| 0 | Received no injection | 1875 |
26.6%
|
| 1 | 1708 |
24.2%
|
|
| 2 | 2634 |
37.4%
|
|
| 3 | 736 |
10.4%
|
|
| 4 | 43 |
0.6%
|
|
| 5 | 23 |
0.3%
|
|
| 7 | 7+ | 0 |
0%
|
| 8 | Don't know | 31 |
0.4%
|
| Sysmiss | 30119 |