| Value | Category | Cases | |
|---|---|---|---|
| 2000 | 2 |
0.1%
|
|
| 2006 | 8 |
0.2%
|
|
| 2010 | 5 |
0.2%
|
|
| 2012 | 1 |
0%
|
|
| 2013 | 1 |
0%
|
|
| 2015 | 98 |
3%
|
|
| 2016 | 3044 |
92.4%
|
|
| 2017 | 136 |
4.1%
|