| Value | Category | Cases | |
|---|---|---|---|
| 2002 | 1 |
0.4%
|
|
| 2010 | 1 |
0.4%
|
|
| 2011 | 9 |
3.5%
|
|
| 2012 | 48 |
18.8%
|
|
| 2013 | 164 |
64.3%
|
|
| 2014 | 23 |
9%
|
|
| 2015 | 6 |
2.4%
|
|
| 2016 | 3 |
1.2%
|