| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 424 | 6.451,96 | 15,22 | 2 |
| 2007 | 51 | 872,94 | 17,12 | 1 |
| 2009 | 4.098 | 83.433,74 | 20,36 | 5 |
| 2010 | 234 | 4.748,69 | 20,29 | 4 |
| 2011 | 1.031 | 15.653,19 | 15,18 | 2 |
| 2012 | 464 | 7.458,03 | 16,07 | 4 |
| 2013 | 372 | 4.632,18 | 12,45 | 3 |
| 2014 | 831 | 15.760,42 | 18,97 | 5 |
| 2015 | 772 | 15.357,29 | 19,89 | 4 |
| 2016 | 625 | 11.155,57 | 17,85 | 4 |
| 2017 | 657 | 12.529,79 | 19,07 | 6 |
| 2018 | 537 | 10.083,04 | 18,78 | 5 |
| 2019 | 483 | 8.725,87 | 18,07 | 4 |
| 2020 | 933 | 19.417,70 | 20,81 | 5 |
| 2021 | 796 | 16.850,67 | 21,17 | 5 |
| 2022 | 655 | 15.604,40 | 23,82 | 5 |
| 2023 | 615 | 13.852,44 | 22,52 | 6 |
| 2024 | 575 | 12.401,30 | 21,57 | 8 |
| totale | 14.153 | 274.989,22 | 19,43 | 78 |