| Value | Category | Cases | |
|---|---|---|---|
| 0 | received no injection | 1488 |
24.1%
|
| 1 | 2581 |
41.9%
|
|
| 2 | 1847 |
29.9%
|
|
| 3 | 213 |
3.5%
|
|
| 4 | 16 |
0.3%
|
|
| 5 | 5 |
0.1%
|
|
| 7 | 7+ | 0 |
0%
|
| 8 | don't know | 17 |
0.3%
|
| Sysmiss | 24653 |