| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 146 | 2.945,51 | 20,17 | 2 |
| 2007 | 76 | 1.995,42 | 26,26 | 1 |
| 2008 | 91 | 2.333,26 | 25,64 | 1 |
| 2009 | 41 | 894,15 | 21,81 | 1 |
| 2010 | 107 | 2.183,17 | 20,40 | 2 |
| 2011 | 272 | 4.750,57 | 17,47 | 3 |
| 2012 | 346 | 6.404,79 | 18,51 | 4 |
| 2013 | 302 | 5.361,25 | 17,75 | 4 |
| 2014 | 312 | 7.352,67 | 23,57 | 5 |
| 2015 | 689 | 15.660,58 | 22,73 | 5 |
| 2016 | 737 | 16.317,79 | 22,14 | 5 |
| 2017 | 381 | 8.031,81 | 21,08 | 5 |
| 2018 | 365 | 7.488,59 | 20,52 | 6 |
| 2019 | 358 | 7.475,76 | 20,88 | 7 |
| 2020 | 265 | 6.702,69 | 25,29 | 6 |
| 2021 | 246 | 6.047,53 | 24,58 | 5 |
| 2022 | 233 | 5.864,27 | 25,17 | 5 |
| 2023 | 235 | 5.673,12 | 24,14 | 6 |
| 2024 | 237 | 5.310,35 | 22,41 | 7 |
| totale | 5.439 | 118.793,28 | 21,84 | 80 |