| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | received no injection | 8 |
17.4%
|
| 1 | 14 |
30.4%
|
|
| 2 | 15 |
32.6%
|
|
| 3 | 7 |
15.2%
|
|
| 5 | 1 |
2.2%
|
|
| 7 | 7+ | 0 |
0%
|
| 8 | don't know | 1 |
2.2%
|
| Sysmiss | 17613 |