| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 435 | 8.776,03 | 20,17 | 2 |
| 2007 | 369 | 9.616,71 | 26,06 | 1 |
| 2008 | 294 | 9.469,30 | 32,21 | 1 |
| 2009 | 405 | 10.629,58 | 26,25 | 3 |
| 2010 | 432 | 9.464,35 | 21,91 | 3 |
| 2011 | 407 | 8.498,53 | 20,88 | 1 |
| 2012 | 552 | 11.883,72 | 21,53 | 3 |
| 2013 | 552 | 10.619,70 | 19,24 | 2 |
| 2014 | 596 | 16.107,44 | 27,03 | 3 |
| 2015 | 570 | 13.444,26 | 23,59 | 3 |
| 2016 | 575 | 13.565,11 | 23,59 | 2 |
| 2017 | 558 | 13.936,46 | 24,98 | 2 |
| 2018 | 614 | 16.426,74 | 26,75 | 3 |
| 2019 | 632 | 14.781,40 | 23,39 | 4 |
| 2020 | 584 | 15.310,87 | 26,22 | 3 |
| 2021 | 556 | 13.579,61 | 24,42 | 3 |
| 2022 | 511 | 14.215,35 | 27,82 | 3 |
| 2023 | 502 | 13.632,21 | 27,16 | 3 |
| 2024 | 543 | 15.631,05 | 28,79 | 3 |
| totale | 9.687 | 239.588,42 | 24,73 | 48 |