| Value | Category | Cases | |
|---|---|---|---|
| 0 | Received no injection | 1201 |
18.5%
|
| 1 | 906 |
13.9%
|
|
| 2 | 1030 |
15.9%
|
|
| 3 | 957 |
14.7%
|
|
| 4 | 999 |
15.4%
|
|
| 5 | 1121 |
17.3%
|
|
| 6 | 101 |
1.6%
|
|
| 7 | 7+ | 72 |
1.1%
|
| 8 | Don't know | 109 |
1.7%
|
| 9 | 31 | ||
| Sysmiss | 42680 |