Βάση εισαγωγής γενικής κατηγορίας
| 1991 | 5502 | 17.2 |
| 1992 | 5669 | 17.7 |
| 1993 | 5790 | 18.1 |
| 1994 | 5845 | 18.3 |
| 1995 | 5735 | 17.9 |
| 1996 | 5512 | 17.2 |
| 1997 | 5496 | 17.2 |
| 1998 | 5513 | 17.2 |
| 1999 | 5664 | 17.7 |
| 2000 | 19176 | 19.2 |
| 2001 | 18449 | 18.4 |
| 2002 | 17752 | 17.8 |
| 2003 | 17908 | 17.9 |
| 2004 | 17457 | 17.5 |
| 2005 | 17238 | 17.2 |
| 2006 | 16941 | 16.9 |
| 2007 | 17195 | 17.2 |
| 2008 | 16894 | 16.9 |
| 2009 | 16907 | 16.9 |
| 2010 | 17088 | 17.1 |
| 2011 | 15217 | 15.2 |
| 2012 | 15378 | 15.4 |
| 2013 | 14148 | 14.1 |
| 2014 | 14887 | 14.9 |
| 2015 | 14769 | 14.8 |
| 2016 | 15091 | 15.1 |
| 2017 | 14742 | 14.7 |
| 2018 | 14874 | 14.9 |
| 2019 | 15606 | 15.6 |
| 2020 | 15850 | 15.9 |
| 2021 | 16230 | 16.2 |
| 2022 | 16085 | 16.1 |
| 2023 | 16900 | 16.9 |