| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 577 | 12.036,87 | 20,86 | 3 |
| 2007 | 459 | 12.337,30 | 26,88 | 2 |
| 2008 | 543 | 14.156,50 | 26,07 | 3 |
| 2009 | 499 | 13.027,75 | 26,11 | 4 |
| 2010 | 509 | 11.647,45 | 22,88 | 4 |
| 2011 | 524 | 11.551,60 | 22,05 | 3 |
| 2012 | 495 | 12.294,95 | 24,84 | 5 |
| 2013 | 458 | 9.786,31 | 21,37 | 5 |
| 2014 | 428 | 11.155,89 | 26,07 | 5 |
| 2015 | 378 | 10.435,47 | 27,61 | 4 |
| 2016 | 373 | 9.647,59 | 25,86 | 5 |
| 2017 | 360 | 9.037,77 | 25,10 | 5 |
| 2018 | 326 | 8.157,22 | 25,02 | 5 |
| 2019 | 260 | 6.646,54 | 25,56 | 4 |
| 2020 | 226 | 5.864,11 | 25,95 | 4 |
| 2021 | 216 | 5.573,04 | 25,80 | 4 |
| 2022 | 253 | 6.990,52 | 27,63 | 6 |
| 2023 | 277 | 7.175,27 | 25,90 | 7 |
| 2024 | 275 | 7.571,31 | 27,53 | 7 |
| totale | 7.436 | 185.093,46 | 24,89 | 85 |