| Value | Category | Cases | |
|---|---|---|---|
| 0 | received no inject. | 1352 |
34.7%
|
| 1 | 1148 |
29.5%
|
|
| 2 | 792 |
20.3%
|
|
| 3 | 401 |
10.3%
|
|
| 4 | 83 |
2.1%
|
|
| 5 | 28 |
0.7%
|
|
| 7 | 7+ | 0 |
0%
|
| 8 | don't know | 88 |
2.3%
|
| Sysmiss | 24 |