| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 120 | 2.019,71 | 16,83 | 1 |
| 2007 | 488 | 16.450,15 | 33,71 | 2 |
| 2008 | 638 | 21.942,67 | 34,39 | 1 |
| 2009 | 623 | 19.160,39 | 30,76 | 2 |
| 2010 | 753 | 16.934,61 | 22,49 | 2 |
| 2011 | 668 | 13.749,46 | 20,58 | 1 |
| 2012 | 696 | 14.423,02 | 20,72 | 2 |
| 2013 | 624 | 11.586,93 | 18,57 | 2 |
| 2014 | 553 | 12.618,57 | 22,82 | 2 |
| 2015 | 562 | 12.465,46 | 22,18 | 2 |
| 2016 | 495 | 12.958,23 | 26,18 | 2 |
| 2017 | 369 | 11.179,62 | 30,30 | 3 |
| 2018 | 365 | 10.573,76 | 28,97 | 3 |
| 2019 | 309 | 9.287,18 | 30,06 | 3 |
| 2020 | 272 | 9.401,48 | 34,56 | 3 |
| 2021 | 257 | 9.309,91 | 36,23 | 3 |
| 2022 | 299 | 7.890,19 | 26,39 | 4 |
| 2023 | 159 | 3.818,58 | 24,02 | 3 |
| 2024 | 93 | 2.029,49 | 21,82 | 5 |
| totale | 8.343 | 217.799,41 | 26,11 | 46 |