Academic year
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| Missing | -9 | 0 | 0.00% |
| 1998 | 285 | 2.87% | |
| 1999 | 528 | 5.32% | |
| 2000 | 595 | 5.99% | |
| 2001 | 593 | 5.97% | |
| 2002 | 635 | 6.39% | |
| 2003 | 447 | 4.50% | |
| 2004 | 616 | 6.20% | |
| 2005 | 540 | 5.44% | |
| 2006 | 565 | 5.69% | |
| 2007 | 493 | 4.96% | |
| 2008 | 437 | 4.40% | |
| 2009 | 497 | 5.00% | |
| 2010 | 599 | 6.03% | |
| 2011 | 607 | 6.11% | |
| 2012 | 602 | 6.06% | |
| 2013 | 467 | 4.70% | |
| 2014 | 368 | 3.70% | |
| 2015 | 326 | 3.28% | |
| 2016 | 261 | 2.63% | |
| 2017 | 241 | 2.43% | |
| 2018 | 231 | 2.33% | |
| Total | 9933 | 100.00% |



