| Value | Category | Cases | |
|---|---|---|---|
| 2008 | 1 |
0.2%
|
|
| 2009 | 8 |
1.3%
|
|
| 2010 | 15 |
2.5%
|
|
| 2011 | 105 |
17.3%
|
|
| 2012 | 18 |
3%
|
|
| 2013 | 5 |
0.8%
|
|
| 2014 | 4 |
0.7%
|
|
| 2015 | 4 |
0.7%
|
|
| 2017 | 1 |
0.2%
|
|
| 2019 | 16 |
2.6%
|
|
| 2021 | 1 |
0.2%
|
|
| 2022 | 1 |
0.2%
|
|
| Missing value | 429 |
70.6%
|