| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 265 | 5.967,83 | 22,52 | 2 |
| 2007 | 126 | 3.820,64 | 30,32 | 1 |
| 2008 | 262 | 7.379,75 | 28,17 | 1 |
| 2009 | 238 | 6.533,40 | 27,45 | 1 |
| 2010 | 407 | 8.173,10 | 20,08 | 3 |
| 2011 | 326 | 7.031,42 | 21,57 | 2 |
| 2012 | 520 | 11.259,41 | 21,65 | 3 |
| 2013 | 493 | 9.997,87 | 20,28 | 3 |
| 2014 | 530 | 14.008,78 | 26,43 | 4 |
| 2015 | 636 | 18.817,36 | 29,59 | 4 |
| 2016 | 687 | 17.175,72 | 25,00 | 5 |
| 2017 | 663 | 17.525,99 | 26,43 | 5 |
| 2018 | 653 | 16.879,92 | 25,85 | 5 |
| 2019 | 606 | 15.987,21 | 26,38 | 5 |
| 2020 | 563 | 15.574,17 | 27,66 | 5 |
| 2021 | 539 | 15.404,24 | 28,58 | 5 |
| 2022 | 594 | 16.579,12 | 27,91 | 6 |
| 2023 | 546 | 15.438,42 | 28,28 | 6 |
| 2024 | 547 | 14.308,67 | 26,16 | 7 |
| totale | 9.201 | 237.863,02 | 25,85 | 73 |