| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 440 | 12.677,20 | 28,81 | 3 |
| 2007 | 338 | 11.023,72 | 32,61 | 2 |
| 2008 | 624 | 16.816,59 | 26,95 | 2 |
| 2009 | 624 | 16.357,29 | 26,21 | 4 |
| 2010 | 615 | 13.341,73 | 21,69 | 4 |
| 2011 | 557 | 11.826,02 | 21,23 | 3 |
| 2012 | 572 | 12.911,36 | 22,57 | 4 |
| 2013 | 574 | 11.969,28 | 20,85 | 5 |
| 2014 | 515 | 14.029,00 | 27,24 | 5 |
| 2015 | 500 | 13.828,32 | 27,66 | 5 |
| 2016 | 481 | 13.182,08 | 27,41 | 4 |
| 2017 | 327 | 7.923,55 | 24,23 | 4 |
| 2018 | 457 | 12.544,33 | 27,45 | 4 |
| 2019 | 458 | 12.559,11 | 27,42 | 4 |
| 2020 | 473 | 14.384,93 | 30,41 | 4 |
| 2021 | 476 | 13.624,68 | 28,62 | 4 |
| 2022 | 378 | 11.357,67 | 30,05 | 3 |
| 2023 | 440 | 13.183,54 | 29,96 | 5 |
| 2024 | 485 | 13.211,69 | 27,24 | 5 |
| totale | 9.334 | 246.752,09 | 26,44 | 74 |