| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2003 | 22 |
3.2%
|
| 2 | 2004 | 3 |
0.4%
|
| 3 | 2005 | 10 |
1.5%
|
| 4 | 2006 | 17 |
2.5%
|
| 5 | 2007 | 6 |
0.9%
|
| 6 | 2012 | 1 |
0.1%
|
| 7 | 2013 | 13 |
1.9%
|
| 8 | 2014 | 16 |
2.3%
|
| 9 | 2015 | 4 |
0.6%
|
| 10 | 2017 | 199 |
29.2%
|
| 11 | 2018 | 375 |
55.1%
|
| 12 | 2019 | 12 |
1.8%
|
| Missing value | 3 |
0.4%
|