| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 375 | 7.392,59 | 19,71 | 2 |
| 2007 | 302 | 6.685,35 | 22,14 | 1 |
| 2008 | 327 | 7.019,71 | 21,47 | 1 |
| 2009 | 570 | 11.347,55 | 19,91 | 2 |
| 2010 | 795 | 16.925,24 | 21,29 | 2 |
| 2011 | 730 | 13.677,84 | 18,74 | 1 |
| 2012 | 824 | 16.730,03 | 20,30 | 3 |
| 2013 | 765 | 14.240,53 | 18,62 | 3 |
| 2014 | 660 | 16.501,20 | 25,00 | 3 |
| 2015 | 520 | 13.179,97 | 25,35 | 3 |
| 2016 | 443 | 11.792,72 | 26,62 | 3 |
| 2017 | 400 | 11.021,51 | 27,55 | 3 |
| 2018 | 397 | 10.340,82 | 26,05 | 3 |
| 2019 | 387 | 11.182,10 | 28,89 | 3 |
| 2020 | 347 | 10.946,17 | 31,55 | 3 |
| 2021 | 306 | 8.448,15 | 27,61 | 3 |
| 2022 | 307 | 8.931,83 | 29,09 | 4 |
| 2023 | 297 | 8.243,56 | 27,76 | 4 |
| 2024 | 285 | 7.538,92 | 26,45 | 4 |
| totale | 9.037 | 212.145,79 | 23,48 | 51 |