| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 474 | 8.617,63 | 18,18 | 2 |
| 2007 | 139 | 6.176,96 | 44,44 | 2 |
| 2008 | 165 | 6.909,49 | 41,88 | 1 |
| 2009 | 374 | 12.058,36 | 32,24 | 3 |
| 2010 | 472 | 10.709,15 | 22,69 | 3 |
| 2011 | 242 | 6.947,53 | 28,71 | 2 |
| 2012 | 555 | 10.588,77 | 19,08 | 3 |
| 2013 | 492 | 9.700,67 | 19,72 | 3 |
| 2014 | 497 | 11.774,05 | 23,69 | 3 |
| 2015 | 452 | 10.244,25 | 22,66 | 3 |
| 2016 | 428 | 11.025,73 | 25,76 | 4 |
| 2017 | 427 | 11.970,41 | 28,03 | 5 |
| 2018 | 378 | 11.346,30 | 30,02 | 6 |
| 2019 | 398 | 11.397,59 | 28,64 | 6 |
| 2020 | 377 | 11.641,69 | 30,88 | 6 |
| 2021 | 360 | 10.449,58 | 29,03 | 6 |
| 2022 | 373 | 10.648,77 | 28,55 | 5 |
| 2023 | 360 | 11.470,46 | 31,86 | 7 |
| 2024 | 385 | 10.449,37 | 27,14 | 7 |
| totale | 7.348 | 194.126,76 | 26,42 | 77 |