| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 319 | 17.620,45 | 55,24 | 2 |
| 2007 | 454 | 13.731,50 | 30,25 | 4 |
| 2008 | 512 | 16.536,17 | 32,30 | 5 |
| 2009 | 548 | 17.024,55 | 31,07 | 5 |
| 2010 | 542 | 13.661,61 | 25,21 | 5 |
| 2011 | 553 | 17.209,92 | 31,12 | 4 |
| 2012 | 548 | 14.031,42 | 25,60 | 6 |
| 2013 | 531 | 13.167,31 | 24,80 | 6 |
| 2014 | 527 | 19.130,10 | 36,30 | 6 |
| 2015 | 481 | 14.790,81 | 30,75 | 7 |
| 2016 | 503 | 17.485,31 | 34,76 | 5 |
| 2017 | 442 | 14.387,56 | 32,55 | 5 |
| 2018 | 445 | 14.405,47 | 32,37 | 5 |
| 2019 | 456 | 14.609,12 | 32,04 | 5 |
| 2020 | 417 | 14.007,19 | 33,59 | 5 |
| 2021 | 445 | 15.732,33 | 35,35 | 5 |
| 2022 | 408 | 14.104,84 | 34,57 | 3 |
| 2023 | 376 | 12.712,78 | 33,81 | 3 |
| 2024 | 405 | 13.355,21 | 32,98 | 7 |
| totale | 8.912 | 287.703,65 | 32,28 | 93 |