| Value | Category | Cases | |
|---|---|---|---|
| 2012 | 1 |
0%
|
|
| 2013 | 2 |
0%
|
|
| 2014 | 48 |
0.2%
|
|
| 2015 | 117 |
0.5%
|
|
| 2016 | 7 |
0%
|
|
| 9999 | Unspecified | 21199 |
99.2%
|