| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Received no inject. | 475 |
41.7%
|
| 1 | 270 |
23.7%
|
|
| 2 | 245 |
21.5%
|
|
| 3 | 127 |
11.2%
|
|
| 4 | 12 |
1.1%
|
|
| 5 | 1 |
0.1%
|
|
| 7 | 7+ | 0 |
0%
|
| 8 | Don't know | 9 |
0.8%
|
| 9 | 6 |