| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 803 | 17.941,44 | 22,34 | 2 |
| 2007 | 627 | 18.677,80 | 29,79 | 1 |
| 2008 | 699 | 16.793,96 | 24,03 | 1 |
| 2009 | 788 | 18.834,54 | 23,90 | 2 |
| 2010 | 810 | 16.164,49 | 19,96 | 2 |
| 2011 | 694 | 13.842,24 | 19,95 | 1 |
| 2012 | 743 | 16.575,44 | 22,31 | 2 |
| 2013 | 758 | 15.480,86 | 20,42 | 3 |
| 2014 | 722 | 17.624,69 | 24,41 | 3 |
| 2015 | 706 | 17.165,43 | 24,31 | 3 |
| 2016 | 701 | 18.287,02 | 26,09 | 3 |
| 2017 | 743 | 22.777,64 | 30,66 | 3 |
| 2018 | 645 | 20.223,72 | 31,35 | 4 |
| 2019 | 760 | 22.733,19 | 29,91 | 5 |
| 2020 | 686 | 22.034,51 | 32,12 | 6 |
| 2021 | 642 | 20.894,83 | 32,55 | 6 |
| 2022 | 668 | 23.734,91 | 35,53 | 3 |
| 2023 | 667 | 22.098,06 | 33,13 | 8 |
| 2024 | 624 | 19.885,19 | 31,87 | 9 |
| totale | 13.486 | 361.769,96 | 26,83 | 67 |