| Value | Category | Cases | |
|---|---|---|---|
| 1990 | 1 |
4.3%
|
|
| 2003 | 1 |
4.3%
|
|
| 2014 | 1 |
4.3%
|
|
| 2015 | 1 |
4.3%
|
|
| 2016 | 1 |
4.3%
|
|
| 2017 | 12 |
52.2%
|
|
| 2018 | 5 |
21.7%
|
|
| 9998 | Ne sait pas. | 1 |
4.3%
|
| Sysmiss | 30 |