| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Wave 1-2010/11 | 52558 |
25%
|
| 2 | 2. Wave 2-2012/13 | 52679 |
25%
|
| 3 | 3. Wave 3-2015/16 | 50402 |
24%
|
| 4 | 4. Wave 4-2018/19 | 54769 |
26%
|