| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 183 | 3.812,04 | 20,83 | 2 |
| 2007 | 101 | 3.270,92 | 32,39 | 1 |
| 2008 | 269 | 9.638,16 | 35,83 | 2 |
| 2009 | 331 | 10.250,70 | 30,97 | 3 |
| 2010 | 421 | 9.743,99 | 23,14 | 3 |
| 2011 | 527 | 12.062,11 | 22,89 | 3 |
| 2012 | 512 | 12.590,34 | 24,59 | 3 |
| 2013 | 509 | 11.830,41 | 23,24 | 3 |
| 2014 | 481 | 15.070,55 | 31,33 | 3 |
| 2015 | 465 | 15.167,95 | 32,62 | 4 |
| 2016 | 469 | 15.580,86 | 33,22 | 4 |
| 2017 | 458 | 14.848,54 | 32,42 | 3 |
| 2018 | 472 | 14.222,69 | 30,13 | 3 |
| 2019 | 504 | 17.404,90 | 34,53 | 3 |
| 2020 | 492 | 18.848,74 | 38,31 | 4 |
| 2021 | 496 | 15.559,30 | 31,37 | 4 |
| 2022 | 483 | 16.343,28 | 33,84 | 4 |
| 2023 | 434 | 13.907,02 | 32,04 | 3 |
| 2024 | 492 | 14.620,04 | 29,72 | 3 |
| totale | 8.099 | 244.772,54 | 30,22 | 58 |