| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 337 | 7.434,42 | 22,06 | 3 |
| 2007 | 41 | 1.227,70 | 29,94 | 1 |
| 2008 | 119 | 6.758,84 | 56,80 | 2 |
| 2009 | 439 | 18.377,65 | 41,86 | 4 |
| 2010 | 477 | 13.670,59 | 28,66 | 4 |
| 2011 | 281 | 7.070,06 | 25,16 | 3 |
| 2012 | 455 | 13.032,21 | 28,64 | 6 |
| 2013 | 502 | 13.533,81 | 26,96 | 6 |
| 2014 | 548 | 19.671,35 | 35,90 | 6 |
| 2015 | 560 | 20.040,96 | 35,79 | 7 |
| 2016 | 612 | 21.396,57 | 34,96 | 8 |
| 2017 | 720 | 23.648,66 | 32,85 | 9 |
| 2018 | 758 | 24.512,57 | 32,34 | 9 |
| 2019 | 751 | 25.376,97 | 33,79 | 8 |
| 2020 | 695 | 24.249,50 | 34,89 | 7 |
| 2021 | 719 | 22.903,84 | 31,86 | 10 |
| 2022 | 581 | 20.658,89 | 35,56 | 8 |
| 2023 | 609 | 21.307,70 | 34,99 | 9 |
| 2024 | 653 | 21.023,02 | 32,19 | 9 |
| totale | 9.857 | 325.895,31 | 33,06 | 119 |