Βάση εισαγωγής γενικής κατηγορίας
| 1993 | 3848 | 12.0 |
| 1994 | 4630 | 14.5 |
| 1995 | 4620 | 14.4 |
| 1996 | 4506 | 14.1 |
| 1997 | 4457 | 13.9 |
| 1998 | 4253 | 13.3 |
| 1999 | 4097 | 12.8 |
| 2000 | 16299 | 16.3 |
| 2001 | 15656 | 15.7 |
| 2002 | 14580 | 14.6 |
| 2003 | 15151 | 15.2 |
| 2004 | 14148 | 14.1 |
| 2005 | 14019 | 14.0 |
| 2006 | 14229 | 14.2 |
| 2007 | 15225 | 15.2 |
| 2008 | 14528 | 14.5 |
| 2009 | 14637 | 14.6 |
| 2010 | 15135 | 15.1 |
| 2011 | 13155 | 13.2 |
| 2012 | 13462 | 13.5 |
| 2013 | 12268 | 12.3 |
| 2014 | 12925 | 12.9 |
| 2015 | 13187 | 13.2 |
| 2016 | 13642 | 13.6 |
| 2017 | 13130 | 13.1 |