| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 389 | 6.126,09 | 15,75 | 3 |
| 2007 | 488 | 8.562,14 | 17,55 | 4 |
| 2008 | 565 | 11.174,67 | 19,78 | 5 |
| 2009 | 384 | 8.682,08 | 22,61 | 6 |
| 2010 | 378 | 7.149,12 | 18,91 | 4 |
| 2011 | 445 | 5.668,60 | 12,74 | 2 |
| 2012 | 783 | 10.702,70 | 13,67 | 5 |
| 2013 | 791 | 11.306,88 | 14,29 | 4 |
| 2014 | 925 | 15.579,72 | 16,84 | 5 |
| 2015 | 919 | 15.701,46 | 17,09 | 6 |
| 2016 | 584 | 10.197,78 | 17,46 | 5 |
| 2017 | 366 | 7.060,46 | 19,29 | 6 |
| 2018 | 312 | 6.979,89 | 22,37 | 6 |
| 2019 | 262 | 5.847,59 | 22,32 | 6 |
| 2020 | 197 | 4.694,08 | 23,83 | 6 |
| 2021 | 148 | 2.814,61 | 19,02 | 4 |
| 2022 | 66 | 1.797,87 | 27,24 | 4 |
| 2023 | 45 | 1.071,47 | 23,81 | 4 |
| 2024 | 42 | 900,85 | 21,45 | 4 |
| totale | 8.089 | 142.018,06 | 17,56 | 89 |