| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 251 | 7.204,18 | 28,70 | 5 |
| 2007 | 423 | 13.026,84 | 30,80 | 5 |
| 2008 | 554 | 22.422,26 | 40,47 | 7 |
| 2009 | 442 | 16.101,79 | 36,43 | 7 |
| 2010 | 636 | 20.346,47 | 31,99 | 8 |
| 2011 | 639 | 20.575,09 | 32,20 | 6 |
| 2012 | 612 | 22.049,05 | 36,03 | 8 |
| 2013 | 598 | 23.529,52 | 39,35 | 8 |
| 2014 | 558 | 25.429,17 | 45,57 | 7 |
| 2015 | 569 | 23.749,45 | 41,74 | 8 |
| 2016 | 547 | 24.382,32 | 44,57 | 7 |
| 2017 | 587 | 22.856,93 | 38,94 | 11 |
| 2018 | 564 | 21.412,08 | 37,96 | 11 |
| 2019 | 588 | 26.979,23 | 45,88 | 12 |
| 2020 | 566 | 28.825,24 | 50,93 | 12 |
| 2021 | 573 | 27.987,17 | 48,84 | 12 |
| 2022 | 571 | 30.613,40 | 53,61 | 14 |
| 2023 | 626 | 34.490,26 | 55,10 | 15 |
| 2024 | 633 | 32.513,52 | 51,36 | 16 |
| totale | 10.537 | 444.493,97 | 42,18 | 179 |