Βάση εισαγωγής γενικής κατηγορίας
| 1993 | 3830 | 12.0 |
| 1994 | 4602 | 14.4 |
| 1995 | 4586 | 14.3 |
| 1996 | 4449 | 13.9 |
| 1997 | 4384 | 13.7 |
| 1998 | 4155 | 13.0 |
| 1999 | 4010 | 12.5 |
| 2000 | 15672 | 15.7 |
| 2001 | 15255 | 15.3 |
| 2002 | 14259 | 14.3 |
| 2003 | 14632 | 14.6 |
| 2004 | 13666 | 13.7 |
| 2005 | 13711 | 13.7 |
| 2006 | 13906 | 13.9 |
| 2007 | 14958 | 15.0 |
| 2008 | 13887 | 13.9 |
| 2009 | 13949 | 13.9 |
| 2010 | 14551 | 14.6 |
| 2011 | 12404 | 12.4 |
| 2012 | 13082 | 13.1 |
| 2013 | 11535 | 11.5 |
| 2014 | 11698 | 11.7 |
| 2015 | 12351 | 12.4 |
| 2016 | 12776 | 12.8 |
| 2017 | 12110 | 12.1 |
| 2018 | 11928 | 11.9 |