| Value | Category | Cases | |
|---|---|---|---|
| 2012 | 173 |
0.7%
|
|
| 2013 | 378 |
1.5%
|
|
| 2014 | 12 |
0%
|
|
| 8888 | Not applicable | 24430 |
96.4%
|
| 9999 | Unspecified | 343 |
1.4%
|