| Value | Category | Cases | |
|---|---|---|---|
| 2015 | 5 |
0%
|
|
| 2016 | 9 |
0%
|
|
| 2017 | 1 |
0%
|
|
| 8888 | Not applicable | 20660 |
98.7%
|
| 9999 | Unspecified | 261 |
1.2%
|