| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1985 | 1 |
0.4%
|
| 2 | 1992 | 1 |
0.4%
|
| 3 | 2012 | 57 |
21.7%
|
| 4 | 2013 | 14 |
5.3%
|
| 5 | 2014 | 6 |
2.3%
|
| 6 | 2015 | 2 |
0.8%
|
| 7 | 2016 | 4 |
1.5%
|
| 8 | 2017 | 11 |
4.2%
|
| 9 | 2018 | 4 |
1.5%
|
| 10 | 2019 | 6 |
2.3%
|
| Missing value | 157 |
59.7%
|