| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 91 | 1.416,44 | 15,57 | 1 |
| 2009 | 11 | 177,73 | 16,16 | 1 |
| 2010 | 259 | 4.976,77 | 19,22 | 3 |
| 2011 | 412 | 7.981,96 | 19,37 | 4 |
| 2012 | 573 | 11.084,32 | 19,34 | 7 |
| 2013 | 604 | 11.483,48 | 19,01 | 6 |
| 2014 | 721 | 19.119,38 | 26,52 | 6 |
| 2015 | 672 | 19.229,15 | 28,61 | 6 |
| 2016 | 552 | 15.982,47 | 28,95 | 4 |
| 2017 | 528 | 15.532,72 | 29,42 | 4 |
| 2018 | 562 | 16.069,79 | 28,59 | 4 |
| 2019 | 536 | 14.682,97 | 27,39 | 4 |
| 2020 | 549 | 15.540,80 | 28,31 | 4 |
| 2021 | 651 | 18.101,88 | 27,81 | 5 |
| 2022 | 619 | 15.532,87 | 25,09 | 5 |
| 2023 | 634 | 16.329,04 | 25,76 | 7 |
| 2024 | 528 | 12.823,13 | 24,29 | 7 |
| totale | 8.502 | 216.064,90 | 25,41 | 78 |