| value | category | cases | |
|---|---|---|---|
| 0 | received no injection | 1601 |
21%
|
| 1 | 1555 |
20.4%
|
|
| 2 | 2234 |
29.3%
|
|
| 3 | 1670 |
21.9%
|
|
| 4 | 267 |
3.5%
|
|
| 5 | 134 |
1.8%
|
|
| 6 | 17 |
0.2%
|
|
| 7 | 7+ | 14 |
0.2%
|
| 8 | don't know | 131 |
1.7%
|
| 11 | .Z | 30361 |