| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 421 | 7.382,83 | 17,54 | 1 |
| 2008 | 161 | 3.060,63 | 19,01 | 1 |
| 2009 | 286 | 5.905,55 | 20,65 | 5 |
| 2010 | 344 | 6.352,69 | 18,47 | 4 |
| 2011 | 250 | 4.182,19 | 16,73 | 2 |
| 2012 | 361 | 6.508,51 | 18,03 | 4 |
| 2013 | 372 | 6.497,84 | 17,47 | 4 |
| 2014 | 363 | 7.941,45 | 21,88 | 4 |
| 2015 | 371 | 8.588,45 | 23,15 | 3 |
| 2016 | 407 | 9.221,40 | 22,66 | 3 |
| 2017 | 397 | 9.224,71 | 23,24 | 3 |
| 2018 | 371 | 8.657,47 | 23,34 | 3 |
| 2019 | 412 | 9.479,00 | 23,01 | 3 |
| 2020 | 413 | 9.918,88 | 24,02 | 3 |
| 2021 | 406 | 9.172,18 | 22,59 | 3 |
| 2022 | 383 | 9.320,75 | 24,34 | 3 |
| 2023 | 397 | 9.546,11 | 24,05 | 4 |
| 2024 | 392 | 9.477,56 | 24,18 | 4 |
| totale | 6.507 | 140.438,20 | 21,58 | 57 |