| Value | Category | Cases | |
|---|---|---|---|
| 2012 | 144 |
0.6%
|
|
| 2013 | 212 |
0.8%
|
|
| 2014 | 6 |
0%
|
|
| 8888 | Not applicable | 25184 |
98.5%
|
| 9999 | Unspecified | 31 |
0.1%
|