| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 263 | 4.461,14 | 16,96 | 2 |
| 2007 | 99 | 1.773,90 | 17,92 | 1 |
| 2008 | 287 | 4.182,12 | 14,57 | 2 |
| 2009 | 263 | 3.959,88 | 15,06 | 3 |
| 2010 | 302 | 3.855,12 | 12,77 | 3 |
| 2011 | 373 | 4.434,18 | 11,89 | 2 |
| 2012 | 303 | 3.605,98 | 11,90 | 2 |
| 2013 | 460 | 4.943,96 | 10,75 | 3 |
| 2014 | 400 | 5.792,23 | 14,48 | 2 |
| 2015 | 439 | 7.467,32 | 17,01 | 3 |
| 2016 | 468 | 7.880,75 | 16,84 | 3 |
| 2017 | 573 | 8.367,45 | 14,60 | 3 |
| 2018 | 547 | 7.981,93 | 14,59 | 3 |
| 2019 | 525 | 7.615,38 | 14,51 | 3 |
| 2020 | 505 | 8.032,97 | 15,91 | 3 |
| 2021 | 568 | 8.495,74 | 14,96 | 4 |
| 2022 | 43 | 879,71 | 20,46 | 3 |
| 2023 | 0 | 0,00 | 0,00 | 1 |
| 2024 | 6 | 57,47 | 9,58 | 2 |
| totale | 6.424 | 93.787,23 | 14,60 | 48 |