| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 619 | 17.733,20 | 28,65 | 6 |
| 2007 | 514 | 17.769,34 | 34,57 | 5 |
| 2008 | 626 | 18.532,22 | 29,60 | 4 |
| 2009 | 558 | 16.778,33 | 30,07 | 5 |
| 2010 | 283 | 7.689,80 | 27,17 | 3 |
| 2011 | 666 | 15.697,99 | 23,57 | 4 |
| 2012 | 592 | 15.319,03 | 25,88 | 4 |
| 2013 | 782 | 18.172,21 | 23,24 | 7 |
| 2014 | 638 | 20.062,57 | 31,45 | 7 |
| 2015 | 543 | 16.427,43 | 30,25 | 6 |
| 2016 | 526 | 15.760,50 | 29,96 | 6 |
| 2017 | 584 | 17.466,94 | 29,91 | 7 |
| 2018 | 660 | 19.878,90 | 30,12 | 7 |
| 2019 | 537 | 17.656,04 | 32,88 | 7 |
| 2020 | 436 | 13.158,97 | 30,18 | 8 |
| 2021 | 412 | 13.177,58 | 31,98 | 8 |
| 2022 | 407 | 14.233,37 | 34,97 | 8 |
| 2023 | 390 | 15.010,47 | 38,49 | 8 |
| 2024 | 346 | 12.953,84 | 37,44 | 8 |
| totale | 10.119 | 303.478,73 | 29,99 | 118 |