| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 273 | 4.345,26 | 15,92 | 5 |
| 2007 | 77 | 1.497,93 | 19,45 | 2 |
| 2008 | 277 | 5.630,28 | 20,33 | 4 |
| 2009 | 240 | 3.899,65 | 16,25 | 5 |
| 2010 | 293 | 4.753,66 | 16,22 | 5 |
| 2011 | 333 | 5.252,18 | 15,77 | 4 |
| 2012 | 276 | 4.576,56 | 16,58 | 5 |
| 2013 | 262 | 3.548,17 | 13,54 | 4 |
| 2014 | 285 | 5.347,73 | 18,76 | 5 |
| 2015 | 269 | 4.879,92 | 18,14 | 5 |
| 2016 | 326 | 6.735,90 | 20,66 | 6 |
| 2017 | 342 | 7.561,53 | 22,11 | 6 |
| 2018 | 305 | 6.752,59 | 22,14 | 6 |
| 2019 | 343 | 6.615,97 | 19,29 | 6 |
| 2020 | 294 | 6.039,69 | 20,54 | 6 |
| 2021 | 271 | 5.572,96 | 20,56 | 6 |
| 2022 | 234 | 5.032,91 | 21,51 | 4 |
| 2023 | 238 | 4.899,19 | 20,58 | 4 |
| 2024 | 250 | 4.980,13 | 19,92 | 4 |
| totale | 5.188 | 97.922,21 | 18,87 | 92 |