| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 285 | 5.986,59 | 21,01 | 2 |
| 2007 | 70 | 2.862,90 | 40,90 | 2 |
| 2008 | 72 | 3.811,66 | 52,94 | 3 |
| 2009 | 229 | 7.554,70 | 32,99 | 4 |
| 2010 | 515 | 11.976,04 | 23,25 | 5 |
| 2011 | 366 | 10.083,91 | 27,55 | 3 |
| 2012 | 597 | 15.329,21 | 25,68 | 5 |
| 2013 | 602 | 13.922,70 | 23,13 | 5 |
| 2014 | 591 | 17.458,31 | 29,54 | 5 |
| 2015 | 642 | 19.727,87 | 30,73 | 6 |
| 2016 | 606 | 20.824,12 | 34,36 | 6 |
| 2017 | 638 | 21.901,15 | 34,33 | 7 |
| 2018 | 617 | 21.336,11 | 34,58 | 7 |
| 2019 | 627 | 22.882,98 | 36,50 | 7 |
| 2020 | 663 | 22.230,14 | 33,53 | 7 |
| 2021 | 629 | 22.500,25 | 35,77 | 7 |
| 2022 | 521 | 20.371,39 | 39,10 | 7 |
| 2023 | 551 | 22.723,76 | 41,24 | 7 |
| 2024 | 538 | 20.282,86 | 37,70 | 7 |
| totale | 9.359 | 303.766,65 | 32,46 | 102 |