Academic year
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| Valid | 2008 | 764 | 14.4% |
| 2009 | 667 | 12.58% | |
| 2010 | 579 | 10.92% | |
| 2011 | 659 | 12.42% | |
| 2012 | 595 | 11.22% | |
| 2013 | 570 | 10.75% | |
| 2014 | 454 | 8.56% | |
| 2015 | 343 | 6.47% | |
| 2016 | 234 | 4.41% | |
| 2017 | 104 | 1.96% | |
| 2018 | 335 | 6.32% | |
| Total | 5304 | 100.0% |



