| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 683 | 19.484,69 | 28,53 | 4 |
| 2007 | 349 | 9.269,25 | 26,56 | 3 |
| 2008 | 640 | 17.646,27 | 27,57 | 4 |
| 2009 | 588 | 17.428,06 | 29,64 | 5 |
| 2010 | 680 | 16.920,07 | 24,88 | 5 |
| 2011 | 493 | 11.778,36 | 23,89 | 4 |
| 2012 | 671 | 20.151,12 | 30,03 | 6 |
| 2013 | 776 | 18.649,84 | 24,03 | 5 |
| 2014 | 760 | 24.051,66 | 31,65 | 5 |
| 2015 | 760 | 26.448,90 | 34,80 | 5 |
| 2016 | 715 | 23.202,47 | 32,45 | 5 |
| 2017 | 801 | 28.253,02 | 35,27 | 6 |
| 2018 | 909 | 31.653,26 | 34,82 | 6 |
| 2019 | 862 | 33.657,89 | 39,05 | 6 |
| 2020 | 802 | 31.681,22 | 39,50 | 6 |
| 2021 | 746 | 28.192,13 | 37,79 | 6 |
| 2022 | 519 | 20.411,06 | 39,33 | 5 |
| 2023 | 678 | 25.910,21 | 38,22 | 7 |
| 2024 | 673 | 25.116,73 | 37,32 | 8 |
| totale | 13.105 | 429.906,21 | 32,80 | 101 |