| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 271 | 6.308,01 | 23,28 | 2 |
| 2007 | 20 | 806,28 | 40,31 | 1 |
| 2008 | 25 | 716,30 | 28,65 | 2 |
| 2009 | 98 | 2.606,33 | 26,60 | 4 |
| 2010 | 131 | 2.989,93 | 22,82 | 4 |
| 2011 | 90 | 2.011,90 | 22,35 | 3 |
| 2012 | 469 | 14.683,18 | 31,31 | 5 |
| 2013 | 372 | 11.982,90 | 32,21 | 4 |
| 2014 | 372 | 14.607,20 | 39,27 | 6 |
| 2015 | 342 | 12.944,89 | 37,85 | 4 |
| 2016 | 337 | 12.675,29 | 37,61 | 5 |
| 2017 | 350 | 12.978,90 | 37,08 | 5 |
| 2018 | 308 | 11.586,29 | 37,62 | 5 |
| 2019 | 330 | 11.980,83 | 36,31 | 6 |
| 2020 | 342 | 12.850,54 | 37,57 | 6 |
| 2021 | 283 | 9.229,22 | 32,61 | 6 |
| 2022 | 211 | 7.929,47 | 37,58 | 5 |
| 2023 | 213 | 7.269,39 | 34,13 | 5 |
| 2024 | 260 | 8.589,73 | 33,04 | 6 |
| totale | 4.824 | 164.746,58 | 34,15 | 84 |