| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 242 | 4.533,88 | 18,74 | 1 |
| 2007 | 686 | 18.619,94 | 27,14 | 3 |
| 2008 | 526 | 16.868,83 | 32,07 | 2 |
| 2009 | 477 | 14.051,92 | 29,46 | 4 |
| 2010 | 616 | 18.113,60 | 29,41 | 3 |
| 2011 | 765 | 19.188,98 | 25,08 | 4 |
| 2012 | 581 | 18.190,01 | 31,31 | 4 |
| 2013 | 313 | 11.306,16 | 36,12 | 3 |
| 2014 | 462 | 15.226,41 | 32,96 | 4 |
| 2015 | 661 | 20.779,12 | 31,44 | 7 |
| 2016 | 794 | 18.683,67 | 23,53 | 6 |
| 2017 | 484 | 18.052,41 | 37,30 | 8 |
| 2018 | 452 | 16.495,59 | 36,49 | 10 |
| 2019 | 574 | 20.379,78 | 35,50 | 11 |
| 2020 | 536 | 21.933,32 | 40,92 | 12 |
| 2021 | 461 | 25.567,70 | 55,46 | 13 |
| 2022 | 448 | 19.037,30 | 42,49 | 13 |
| 2023 | 430 | 18.633,76 | 43,33 | 13 |
| 2024 | 752 | 25.101,87 | 33,38 | 18 |
| totale | 10.260 | 340.764,25 | 33,21 | 139 |