| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 267 | 6.723,48 | 25,18 | 1 |
| 2007 | 214 | 6.117,75 | 28,59 | 1 |
| 2008 | 336 | 7.701,87 | 22,92 | 1 |
| 2009 | 306 | 7.872,33 | 25,73 | 2 |
| 2010 | 453 | 8.799,26 | 19,42 | 2 |
| 2011 | 530 | 11.103,76 | 20,95 | 1 |
| 2012 | 644 | 13.580,98 | 21,09 | 2 |
| 2013 | 644 | 12.591,14 | 19,55 | 5 |
| 2014 | 651 | 15.942,52 | 24,49 | 4 |
| 2015 | 609 | 16.278,20 | 26,73 | 4 |
| 2016 | 583 | 15.736,47 | 26,99 | 4 |
| 2017 | 598 | 16.043,35 | 26,83 | 5 |
| 2018 | 577 | 15.101,62 | 26,17 | 6 |
| 2019 | 590 | 15.731,97 | 26,66 | 6 |
| 2020 | 571 | 15.707,85 | 27,51 | 7 |
| 2021 | 670 | 16.031,23 | 23,93 | 7 |
| 2022 | 139 | 3.379,42 | 24,31 | 5 |
| 2023 | 168 | 4.070,48 | 24,23 | 7 |
| 2024 | 313 | 7.309,57 | 23,35 | 7 |
| totale | 8.863 | 215.823,25 | 24,35 | 77 |