| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.282 | 25.507,69 | 19,90 | 3 |
| 2007 | 1.037 | 23.318,69 | 22,49 | 3 |
| 2008 | 1.129 | 25.035,20 | 22,17 | 3 |
| 2009 | 1.166 | 23.190,62 | 19,89 | 5 |
| 2010 | 1.072 | 18.709,22 | 17,45 | 5 |
| 2011 | 1.034 | 17.710,38 | 17,13 | 3 |
| 2012 | 1.025 | 18.268,20 | 17,82 | 4 |
| 2013 | 980 | 16.132,13 | 16,46 | 5 |
| 2014 | 986 | 19.896,34 | 20,18 | 5 |
| 2015 | 897 | 18.192,32 | 20,28 | 5 |
| 2016 | 883 | 18.078,77 | 20,47 | 5 |
| 2017 | 839 | 17.273,01 | 20,59 | 5 |
| 2018 | 582 | 11.331,45 | 19,47 | 4 |
| 2019 | 522 | 10.283,49 | 19,70 | 3 |
| 2020 | 519 | 11.234,99 | 21,65 | 3 |
| 2021 | 477 | 9.347,36 | 19,60 | 2 |
| 2022 | 445 | 9.437,89 | 21,21 | 2 |
| 2023 | 464 | 9.386,18 | 20,23 | 2 |
| 2024 | 425 | 8.892,44 | 20,92 | 2 |
| totale | 15.764 | 311.226,37 | 19,74 | 69 |