| Value | Category | Cases | |
|---|---|---|---|
| 0 | received no injection | 1030 |
20.8%
|
| 1 | 2674 |
53.9%
|
|
| 2 | 941 |
19%
|
|
| 3 | 206 |
4.2%
|
|
| 4 | 25 |
0.5%
|
|
| 5 | 32 |
0.6%
|
|
| 6 | 2 |
0%
|
|
| 7 | 7+ | 2 |
0%
|
| 8 | don't know | 47 |
0.9%
|
| Sysmiss | 30651 |