| Value | Category | Cases | |
|---|---|---|---|
| 2015 | 290 |
28%
|
|
| 2016 | 176 |
17%
|
|
| 2017 | 178 |
17.2%
|
|
| 2018 | 186 |
17.9%
|
|
| 2019 | 207 |
20%
|
|
| Sysmiss | 0 |