| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 467 | 12.610,36 | 27,00 | 2 |
| 2007 | 309 | 11.324,83 | 36,65 | 1 |
| 2008 | 332 | 11.840,12 | 35,66 | 1 |
| 2009 | 341 | 10.768,05 | 31,58 | 2 |
| 2010 | 65 | 1.400,06 | 21,54 | 1 |
| 2011 | 338 | 9.518,05 | 28,16 | 1 |
| 2012 | 474 | 12.406,91 | 26,17 | 3 |
| 2013 | 391 | 9.943,58 | 25,43 | 3 |
| 2014 | 389 | 12.659,53 | 32,54 | 3 |
| 2015 | 561 | 17.327,10 | 30,89 | 5 |
| 2016 | 580 | 16.960,70 | 29,24 | 6 |
| 2017 | 555 | 16.055,49 | 28,93 | 6 |
| 2018 | 530 | 14.812,13 | 27,95 | 6 |
| 2019 | 496 | 15.091,37 | 30,43 | 7 |
| 2020 | 521 | 18.548,94 | 35,60 | 7 |
| 2021 | 468 | 16.909,23 | 36,13 | 7 |
| 2022 | 428 | 15.883,72 | 37,11 | 7 |
| 2023 | 418 | 15.327,52 | 36,67 | 7 |
| 2024 | 386 | 13.954,02 | 36,15 | 6 |
| totale | 8.049 | 253.341,71 | 31,47 | 81 |