| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 626 | 14.105,50 | 22,53 | 4 |
| 2007 | 560 | 16.458,57 | 29,39 | 4 |
| 2008 | 627 | 18.539,01 | 29,57 | 4 |
| 2009 | 656 | 20.803,16 | 31,71 | 6 |
| 2010 | 700 | 19.015,84 | 27,17 | 7 |
| 2011 | 568 | 14.445,44 | 25,43 | 5 |
| 2012 | 548 | 15.724,25 | 28,69 | 7 |
| 2013 | 629 | 15.977,68 | 25,40 | 7 |
| 2014 | 583 | 19.965,24 | 34,25 | 7 |
| 2015 | 651 | 21.303,71 | 32,72 | 7 |
| 2016 | 567 | 20.460,07 | 36,08 | 7 |
| 2017 | 570 | 19.090,56 | 33,49 | 7 |
| 2018 | 510 | 17.736,68 | 34,78 | 8 |
| 2019 | 515 | 19.398,80 | 37,67 | 9 |
| 2020 | 583 | 23.697,01 | 40,65 | 10 |
| 2021 | 609 | 22.741,39 | 37,34 | 10 |
| 2022 | 602 | 22.847,16 | 37,95 | 11 |
| 2023 | 541 | 19.162,11 | 35,42 | 14 |
| 2024 | 548 | 17.803,17 | 32,49 | 16 |
| totale | 11.193 | 359.275,35 | 32,10 | 150 |