| Value | Category | Cases | |
|---|---|---|---|
| 1996 | 1 |
0.2%
|
|
| 2004 | 1 |
0.2%
|
|
| 2006 | 2 |
0.4%
|
|
| 2007 | 1 |
0.2%
|
|
| 2011 | 1 |
0.2%
|
|
| 2013 | 1 |
0.2%
|
|
| 2014 | 1 |
0.2%
|
|
| 2015 | 9 |
1.8%
|
|
| 2016 | 14 |
2.8%
|
|
| 2017 | 27 |
5.4%
|
|
| 2018 | 193 |
38.8%
|
|
| 2019 | 166 |
33.3%
|
|
| 2020 | 61 |
12.2%
|
|
| 2021 | 19 |
3.8%
|
|
| Missing value | 1 |
0.2%
|