| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 417 | 9.300,86 | 22,30 | 2 |
| 2007 | 267 | 6.972,76 | 26,12 | 1 |
| 2008 | 339 | 10.637,09 | 31,38 | 1 |
| 2009 | 403 | 11.830,97 | 29,36 | 2 |
| 2010 | 480 | 12.419,98 | 25,87 | 2 |
| 2011 | 430 | 10.084,48 | 23,45 | 1 |
| 2012 | 396 | 9.333,73 | 23,57 | 2 |
| 2013 | 416 | 9.131,84 | 21,95 | 2 |
| 2014 | 434 | 11.210,18 | 25,83 | 2 |
| 2015 | 412 | 10.629,12 | 25,80 | 2 |
| 2016 | 461 | 11.820,30 | 25,64 | 2 |
| 2017 | 506 | 12.484,63 | 24,67 | 2 |
| 2018 | 499 | 12.386,25 | 24,82 | 2 |
| 2019 | 516 | 13.019,54 | 25,23 | 2 |
| 2020 | 459 | 12.848,69 | 27,99 | 2 |
| 2021 | 429 | 11.541,51 | 26,90 | 2 |
| 2022 | 421 | 11.794,13 | 28,01 | 3 |
| 2023 | 410 | 11.120,79 | 27,12 | 3 |
| 2024 | 457 | 11.380,74 | 24,90 | 5 |
| totale | 8.152 | 209.947,59 | 25,75 | 40 |