| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 53 | 1.797,50 | 33,92 | 1 |
| 2009 | 19 | 575,08 | 30,27 | 2 |
| 2010 | 29 | 676,24 | 23,32 | 2 |
| 2011 | 8 | 149,40 | 18,68 | 1 |
| 2012 | 30 | 608,40 | 20,28 | 2 |
| 2013 | 24 | 473,71 | 19,74 | 2 |
| 2014 | 66 | 2.192,44 | 33,22 | 3 |
| 2015 | 32 | 1.134,62 | 35,46 | 3 |
| 2016 | 478 | 11.761,28 | 24,61 | 3 |
| 2017 | 28 | 809,87 | 28,92 | 2 |
| 2018 | 854 | 25.539,46 | 29,91 | 4 |
| 2019 | 851 | 27.505,77 | 32,32 | 4 |
| 2020 | 1.031 | 33.964,12 | 32,94 | 5 |
| 2021 | 1.355 | 41.300,57 | 30,48 | 5 |
| 2022 | 2.120 | 64.617,50 | 30,48 | 4 |
| 2023 | 2.562 | 70.294,77 | 27,44 | 3 |
| 2024 | 3.149 | 83.674,99 | 26,57 | 3 |
| totale | 12.689 | 367.075,72 | 28,93 | 49 |