| Value | Category | Cases | |
|---|---|---|---|
| 2012 | 15 |
0.1%
|
|
| 2013 | 27 |
0.1%
|
|
| 2014 | 3 |
0%
|
|
| 8888 | Not applicable | 25524 |
99.8%
|
| 9999 | Unspecified | 8 |
0%
|