| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 251 | 3.355,85 | 13,37 | 2 |
| 2007 | 137 | 2.309,11 | 16,85 | 1 |
| 2008 | 141 | 2.516,95 | 17,85 | 1 |
| 2009 | 168 | 2.994,23 | 17,82 | 2 |
| 2010 | 239 | 3.468,00 | 14,51 | 3 |
| 2011 | 208 | 3.193,51 | 15,35 | 2 |
| 2012 | 238 | 4.104,51 | 17,25 | 2 |
| 2013 | 258 | 3.868,82 | 15,00 | 2 |
| 2014 | 273 | 5.068,12 | 18,56 | 2 |
| 2015 | 331 | 5.970,58 | 18,04 | 2 |
| 2016 | 450 | 7.754,75 | 17,23 | 2 |
| 2017 | 475 | 8.300,01 | 17,47 | 2 |
| 2018 | 495 | 8.992,16 | 18,17 | 2 |
| 2019 | 499 | 8.780,41 | 17,60 | 2 |
| 2020 | 503 | 9.388,56 | 18,67 | 2 |
| 2021 | 516 | 9.910,14 | 19,21 | 2 |
| 2022 | 495 | 8.895,38 | 17,97 | 2 |
| 2023 | 488 | 9.131,59 | 18,71 | 2 |
| 2024 | 509 | 9.306,16 | 18,28 | 2 |
| totale | 6.674 | 117.308,84 | 17,58 | 37 |