| Value | Category | Cases | |
|---|---|---|---|
| 0 | Received no injection | 1570 |
42.3%
|
| 1 | 694 |
18.7%
|
|
| 2 | 584 |
15.7%
|
|
| 3 | 330 |
8.9%
|
|
| 4 | 173 |
4.7%
|
|
| 5 | 122 |
3.3%
|
|
| 6 | 60 |
1.6%
|
|
| 7 | 7+ | 104 |
2.8%
|
| 8 | Don't know | 73 |
2%
|
| 9 | 29 | ||
| Sysmiss | 79852 |