| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 2001 | 1 |
25%
|
|
| 2021 | 2 |
50%
|
|
| 9995 | same as most recent | 1 |
25%
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 4693 |