| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | more than usual | 2569 |
58.7%
|
| 2 | no change | 1455 |
33.2%
|
| 3 | less than usual | 320 |
7.3%
|
| 8 | don't know | 33 |
0.8%
|
| Sysmiss | 8100 |