| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 696 | 14.942,08 | 21,47 | 4 |
| 2007 | 284 | 7.901,31 | 27,82 | 3 |
| 2008 | 290 | 8.491,91 | 29,28 | 4 |
| 2009 | 393 | 11.201,28 | 28,50 | 6 |
| 2010 | 280 | 5.632,39 | 20,12 | 5 |
| 2011 | 357 | 8.234,23 | 23,07 | 3 |
| 2012 | 457 | 9.558,81 | 20,92 | 5 |
| 2013 | 549 | 12.085,16 | 22,01 | 6 |
| 2014 | 571 | 15.900,94 | 27,85 | 6 |
| 2015 | 556 | 15.252,81 | 27,43 | 6 |
| 2016 | 543 | 17.687,31 | 32,57 | 6 |
| 2017 | 584 | 16.527,45 | 28,30 | 6 |
| 2018 | 582 | 16.092,88 | 27,65 | 6 |
| 2019 | 628 | 19.707,28 | 31,38 | 6 |
| 2020 | 548 | 16.794,89 | 30,65 | 6 |
| 2021 | 543 | 15.350,35 | 28,27 | 7 |
| 2022 | 460 | 14.030,24 | 30,50 | 6 |
| 2023 | 497 | 13.999,12 | 28,17 | 6 |
| 2024 | 440 | 11.655,91 | 26,49 | 5 |
| totale | 9.258 | 251.046,35 | 27,12 | 102 |