| Value | Category | Cases | |
|---|---|---|---|
| 0 | Received no injection | 875 |
12.2%
|
| 1 | 2807 |
39.2%
|
|
| 2 | 2609 |
36.4%
|
|
| 3 | 745 |
10.4%
|
|
| 4 | 55 |
0.8%
|
|
| 5 | 21 |
0.3%
|
|
| 6 | 7 |
0.1%
|
|
| 7 | 7+ | 0 |
0%
|
| 8 | Don't know | 42 |
0.6%
|
| 9 | 15 | ||
| Sysmiss | 13788 |