| Value | Category | Cases | |
|---|---|---|---|
| -95 | N/A have not received the video | 2 |
3.6%
|
| 2015 | 3 |
5.5%
|
|
| 2016 | 2 |
3.6%
|
|
| 2017 | 19 |
34.5%
|
|
| 2018 | 29 |
52.7%
|
|
| Sysmiss | 65 |