| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 373 | 5.819,78 | 15,60 | 3 |
| 2007 | 351 | 6.416,77 | 18,28 | 2 |
| 2008 | 272 | 5.502,29 | 20,23 | 2 |
| 2009 | 277 | 5.176,37 | 18,69 | 3 |
| 2010 | 304 | 5.346,21 | 17,59 | 3 |
| 2011 | 299 | 4.914,50 | 16,44 | 2 |
| 2012 | 277 | 4.829,45 | 17,43 | 3 |
| 2013 | 384 | 6.214,49 | 16,18 | 3 |
| 2014 | 448 | 8.348,76 | 18,64 | 3 |
| 2015 | 183 | 3.604,61 | 19,70 | 2 |
| 2016 | 233 | 4.384,16 | 18,82 | 3 |
| 2017 | 421 | 7.758,82 | 18,43 | 4 |
| 2018 | 442 | 8.136,68 | 18,41 | 4 |
| 2019 | 453 | 8.289,78 | 18,30 | 4 |
| 2020 | 399 | 8.099,25 | 20,30 | 5 |
| 2021 | 376 | 8.136,35 | 21,64 | 5 |
| 2022 | 384 | 8.262,61 | 21,52 | 5 |
| 2023 | 402 | 8.193,10 | 20,38 | 5 |
| 2024 | 401 | 8.210,31 | 20,47 | 5 |
| totale | 6.679 | 125.644,29 | 18,81 | 66 |