| Value | Category | Cases | |
|---|---|---|---|
| 2014 | 3 |
0%
|
|
| 2015 | 10 |
0%
|
|
| 2016 | 24 |
0.1%
|
|
| 2017 | 1 |
0%
|
|
| 8888 | Not applicable | 20912 |
99.1%
|
| 9999 | Unspecified | 145 |
0.7%
|