| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 22 | 297,35 | 13,52 | 1 |
| 2007 | 150 | 4.559,05 | 30,39 | 2 |
| 2008 | 341 | 8.786,48 | 25,77 | 4 |
| 2009 | 168 | 3.994,99 | 23,78 | 4 |
| 2010 | 310 | 7.192,63 | 23,20 | 5 |
| 2011 | 318 | 7.232,28 | 22,74 | 3 |
| 2012 | 358 | 8.830,97 | 24,67 | 5 |
| 2013 | 391 | 8.418,27 | 21,53 | 5 |
| 2014 | 371 | 10.141,21 | 27,33 | 5 |
| 2015 | 337 | 8.517,61 | 25,27 | 4 |
| 2016 | 333 | 9.340,93 | 28,05 | 5 |
| 2017 | 349 | 9.621,78 | 27,57 | 6 |
| 2018 | 411 | 9.311,15 | 22,65 | 6 |
| 2019 | 295 | 7.060,10 | 23,93 | 6 |
| 2020 | 252 | 6.544,89 | 25,97 | 6 |
| 2021 | 217 | 5.908,82 | 27,23 | 7 |
| 2022 | 305 | 8.309,51 | 27,24 | 8 |
| 2023 | 289 | 7.600,16 | 26,30 | 7 |
| 2024 | 269 | 8.125,36 | 30,21 | 7 |
| totale | 5.486 | 139.793,54 | 25,48 | 96 |