| Value | Category | Cases | |
|---|---|---|---|
| 0 | received no injection | 1140 |
30.4%
|
| 1 | 446 |
11.9%
|
|
| 2 | 599 |
16%
|
|
| 3 | 511 |
13.6%
|
|
| 4 | 439 |
11.7%
|
|
| 5 | 427 |
11.4%
|
|
| 6 | 50 |
1.3%
|
|
| 7 | 7+ | 53 |
1.4%
|
| 8 | don't know | 86 |
2.3%
|
| Sysmiss | 31859 |