| Value | Category | Cases | |
|---|---|---|---|
| 0 | Received no inject. | 1663 |
33.5%
|
| 1 | 1706 |
34.4%
|
|
| 2 | 1279 |
25.8%
|
|
| 3 | 256 |
5.2%
|
|
| 4 | 20 |
0.4%
|
|
| 5 | 2 |
0%
|
|
| 6 | 2 |
0%
|
|
| 7 | 7+ | 0 |
0%
|
| 8 | Don't know | 35 |
0.7%
|
| 9 | 1 | ||
| Sysmiss | 22638 |