| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2004 | 1 |
0.1%
|
| 2 | 2008 | 2 |
0.3%
|
| 3 | 2009 | 1 |
0.1%
|
| 4 | 2010 | 2 |
0.3%
|
| 5 | 2011 | 27 |
3.4%
|
| 6 | 2012 | 132 |
16.8%
|
| 7 | 2013 | 292 |
37.2%
|
| 8 | 2014 | 68 |
8.7%
|
| 9 | 2015 | 8 |
1%
|
| 10 | 2016 | 10 |
1.3%
|
| 11 | 2017 | 2 |
0.3%
|
| 12 | 2018 | 1 |
0.1%
|
| 13 | 2020 | 1 |
0.1%
|
| Missing value | 238 |
30.3%
|