| قيمة | فئة | حالات | |
|---|---|---|---|
| 2015 | 1 |
0.3%
|
|
| 2016 | 8 |
2.4%
|
|
| 2017 | 18 |
5.3%
|
|
| 2018 | 42 |
12.5%
|
|
| 2019 | 60 |
17.8%
|
|
| 2020 | 85 |
25.2%
|
|
| 2021 | 120 |
35.6%
|
|
| 9998 | Don't know year | 3 |
0.9%
|
| Sysmiss | 15459 |