| Value | Category | Cases | |
|---|---|---|---|
| 2012 | 29 |
0.1%
|
|
| 2013 | 66 |
0.3%
|
|
| 2014 | 1 |
0%
|
|
| 8888 | Not applicable | 25468 |
99.6%
|
| 9999 | Unspecified | 13 |
0.1%
|