| Value | Category | Cases | |
|---|---|---|---|
| 2003 | 1 |
2.6%
|
|
| 2006 | 1 |
2.6%
|
|
| 2007 | 1 |
2.6%
|
|
| 2010 | 3 |
7.9%
|
|
| 2014 | 4 |
10.5%
|
|
| 2015 | 4 |
10.5%
|
|
| 2016 | 7 |
18.4%
|
|
| 2017 | 4 |
10.5%
|
|
| 2018 | 4 |
10.5%
|
|
| 2019 | 9 |
23.7%
|
|
| Sysmiss | 2980 |