| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 196 | 3.245,20 | 16,56 | 2 |
| 2007 | 163 | 3.457,76 | 21,21 | 1 |
| 2008 | 158 | 3.301,03 | 20,89 | 1 |
| 2009 | 162 | 3.938,69 | 24,31 | 2 |
| 2010 | 175 | 3.290,69 | 18,80 | 2 |
| 2011 | 109 | 2.039,86 | 18,71 | 1 |
| 2012 | 131 | 2.660,46 | 20,31 | 2 |
| 2013 | 181 | 4.112,87 | 22,72 | 3 |
| 2014 | 248 | 7.988,60 | 32,21 | 3 |
| 2015 | 312 | 9.268,09 | 29,71 | 4 |
| 2016 | 351 | 10.496,65 | 29,90 | 4 |
| 2017 | 341 | 9.387,73 | 27,53 | 4 |
| 2018 | 413 | 11.819,60 | 28,62 | 4 |
| 2019 | 417 | 12.883,83 | 30,90 | 4 |
| 2020 | 404 | 12.925,31 | 31,99 | 4 |
| 2021 | 393 | 11.873,08 | 30,21 | 4 |
| 2022 | 398 | 11.743,36 | 29,51 | 4 |
| 2023 | 381 | 10.630,90 | 27,90 | 4 |
| 2024 | 381 | 10.597,70 | 27,82 | 3 |
| totale | 5.314 | 145.661,41 | 27,41 | 56 |