| Value | Category | Cases | |
|---|---|---|---|
| 0 | Received no inject. | 977 |
54.4%
|
| 1 | 292 |
16.3%
|
|
| 2 | 220 |
12.3%
|
|
| 3 | 105 |
5.8%
|
|
| 4 | 44 |
2.5%
|
|
| 5 | 35 |
1.9%
|
|
| 6 | 16 |
0.9%
|
|
| 7 | 7+ | 36 |
2%
|
| 8 | Don't know | 70 |
3.9%
|
| 9 | 15 | ||
| Sysmiss | 4269 |