| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | No reaction | 452 | 933947 |
3.1%
|
| 1 | Reacted | 14529 | 28892804 |
96.6%
|
| 2 | Parents not present | 31 | 63102 |
0.2%
|
| 5 | 17 | 28216 |
0.1%
|
|
| 99 | Not stated | 0 | 0 |
0%
|