| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 2017 | 77 |
48.1%
|
|
| 2018 | 42 |
26.3%
|
|
| 2019 | 36 |
22.5%
|
|
| 2020 | 5 |
3.1%
|
|
| 9997 | inconsistent | 0 |
0%
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 15554 |