| Value | Category | Cases | |
|---|---|---|---|
| -95 | N/A have not received the video | 1 |
2%
|
| 2016 | 1 |
2%
|
|
| 2017 | 20 |
39.2%
|
|
| 2018 | 29 |
56.9%
|
|
| Sysmiss | 69 |