| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 737 | 18.353,10 | 24,90 | 2 |
| 2007 | 510 | 14.762,06 | 28,95 | 1 |
| 2008 | 511 | 17.370,83 | 33,99 | 1 |
| 2009 | 555 | 15.763,88 | 28,40 | 3 |
| 2010 | 566 | 13.999,04 | 24,73 | 3 |
| 2011 | 397 | 10.227,05 | 25,76 | 1 |
| 2012 | 458 | 12.286,06 | 26,83 | 3 |
| 2013 | 475 | 10.924,09 | 23,00 | 3 |
| 2014 | 493 | 13.487,04 | 27,36 | 4 |
| 2015 | 454 | 12.435,69 | 27,39 | 4 |
| 2016 | 447 | 11.931,66 | 26,69 | 4 |
| 2017 | 497 | 13.750,19 | 27,67 | 4 |
| 2018 | 454 | 13.457,35 | 29,64 | 4 |
| 2019 | 451 | 13.133,78 | 29,12 | 4 |
| 2020 | 409 | 12.371,50 | 30,25 | 4 |
| 2021 | 388 | 12.191,43 | 31,42 | 4 |
| 2022 | 372 | 12.021,29 | 32,32 | 4 |
| 2023 | 361 | 11.727,90 | 32,49 | 6 |
| 2024 | 339 | 10.385,41 | 30,64 | 6 |
| totale | 8.874 | 250.579,35 | 28,24 | 65 |