| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 201 | 4.874,70 | 24,25 | 2 |
| 2007 | 168 | 4.100,38 | 24,41 | 1 |
| 2008 | 536 | 16.983,61 | 31,69 | 2 |
| 2009 | 462 | 17.951,29 | 38,86 | 3 |
| 2010 | 590 | 13.576,69 | 23,01 | 3 |
| 2011 | 656 | 14.937,06 | 22,77 | 3 |
| 2012 | 477 | 12.865,12 | 26,97 | 5 |
| 2013 | 528 | 13.894,59 | 26,32 | 4 |
| 2014 | 489 | 14.236,92 | 29,11 | 4 |
| 2015 | 470 | 14.848,29 | 31,59 | 3 |
| 2016 | 501 | 15.125,87 | 30,19 | 5 |
| 2017 | 469 | 12.911,56 | 27,53 | 5 |
| 2018 | 477 | 13.425,10 | 28,14 | 5 |
| 2019 | 496 | 14.073,28 | 28,37 | 5 |
| 2020 | 410 | 11.451,19 | 27,93 | 4 |
| 2021 | 360 | 8.984,41 | 24,96 | 4 |
| 2022 | 355 | 10.414,55 | 29,34 | 4 |
| 2023 | 344 | 10.856,80 | 31,56 | 6 |
| 2024 | 376 | 11.278,86 | 30,00 | 6 |
| totale | 8.365 | 236.790,27 | 28,31 | 74 |