| Value | Category | Cases | |
|---|---|---|---|
| 2012 | 74 |
0.3%
|
|
| 2013 | 130 |
0.5%
|
|
| 2014 | 4 |
0%
|
|
| 8888 | Not applicable | 24758 |
97.7%
|
| 9999 | Unspecified | 370 |
1.5%
|