| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 279 | 6.531,14 | 23,41 | 2 |
| 2007 | 100 | 2.387,90 | 23,88 | 1 |
| 2008 | 261 | 6.091,03 | 23,34 | 1 |
| 2009 | 267 | 5.690,78 | 21,31 | 2 |
| 2010 | 311 | 6.278,19 | 20,19 | 2 |
| 2011 | 256 | 5.236,57 | 20,46 | 1 |
| 2012 | 325 | 6.871,23 | 21,14 | 2 |
| 2013 | 381 | 7.844,74 | 20,59 | 3 |
| 2014 | 375 | 9.939,35 | 26,50 | 3 |
| 2015 | 342 | 9.096,77 | 26,60 | 2 |
| 2016 | 417 | 11.740,82 | 28,16 | 5 |
| 2017 | 452 | 11.377,93 | 25,17 | 5 |
| 2018 | 455 | 12.298,88 | 27,03 | 5 |
| 2019 | 429 | 10.648,14 | 24,82 | 5 |
| 2020 | 395 | 10.288,04 | 26,05 | 5 |
| 2021 | 380 | 9.885,49 | 26,01 | 5 |
| 2022 | 340 | 9.533,33 | 28,04 | 5 |
| 2023 | 334 | 9.883,38 | 29,59 | 5 |
| 2024 | 328 | 9.702,85 | 29,58 | 5 |
| totale | 6.427 | 161.326,56 | 25,10 | 64 |