| Value | Category | Cases | |
|---|---|---|---|
| 2013 | 1 |
0%
|
|
| 2015 | 30 |
0.1%
|
|
| 2016 | 95 |
0.5%
|
|
| 2017 | 4 |
0%
|
|
| 8888 | Not applicable | 20611 |
98.4%
|
| 9999 | Unspecified | 195 |
0.9%
|