| value | category | cases | |
|---|---|---|---|
| 0 | Received no inject. | 2379 |
32.3%
|
| 1 | 1767 |
24%
|
|
| 2 | 2574 |
35%
|
|
| 3 | 493 |
6.7%
|
|
| 4 | 46 |
0.6%
|
|
| 5 | 30 |
0.4%
|
|
| 6 | 1 |
0%
|
|
| 7 | 7+ | 0 |
0%
|
| 8 | Don't know | 69 |
0.9%
|
| 9 | 8 | ||
| Sysmiss | 34153 |