| Value | Category | Cases | |
|---|---|---|---|
| 2016 | 43 |
0.2%
|
|
| 2017 | 102 |
0.5%
|
|
| 2018 | 3 |
0%
|
|
| 8888 | Not applicable | 20694 |
98.6%
|
| 9999 | Unspecified | 143 |
0.7%
|