| Value | Category | Cases | |
|---|---|---|---|
| 0 | received no injection | 968 |
23.7%
|
| 1 | 488 |
11.9%
|
|
| 2 | 784 |
19.2%
|
|
| 3 | 620 |
15.2%
|
|
| 4 | 510 |
12.5%
|
|
| 5 | 623 |
15.2%
|
|
| 6 | 24 |
0.6%
|
|
| 7 | 7+ | 9 |
0.2%
|
| 8 | don't know | 60 |
1.5%
|
| Sysmiss | 10548 |